A pile of gunpowder can represent chemical ____ energy , while a flying pulley can represent mechanical ____ energy

Answers

Answer 1

A pile of gunpowder can represent chemical potential energy , while a flying pulley can represent mechanical kinetic energy.

Thermal energy is kinetic energy associated with the random motion of atoms and molecules. Temperature is a quantitative measure of “hot” or “cold.” When the atoms and molecules in an object are moving or vibrating quickly, they have a higher average kinetic energy (KE), and we say that the object is “hot.”

The specific heat capacity (c) of a substance, commonly called its “specific heat,” is the quantity of heat required to raise the temperature of 1 gram of a substance by 1 degree Celsius (or 1 kelvin)..

Like matter, energy comes in different types. One scheme classifies energy into two types: potential energy, the energy an object has because of its relative position, composition, or condition, and kinetic energy, the energy that an object possesses because of its motion.

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Related Questions

Please answer by 8 pm!!! Thank you so much!

Answers

I think the answer is D, because in a single called organism, digestion happens in the cell’s cytoplasm and in a multicellular organism like a human, digestion happens in the stomach and small intestine

A cockroach and a spider are walking on the sands at a desert. Assume that both have the same weight and same sized legs. Which one would leave a deeper footprint on the sand? Why?

Answers

Answer:

cockroach

Explanation:

Because cockroach have only six legs and the surface area would be 6x (where x is size of foot) but in case of a spider who have 8 legs the area would be 8x since, 8x>6x the cockroach will leave deeper footprints

A student adds ice to several samples of water. The results are shown in the table. Which conclusion can be drawn from the results?
I added the question below

I need the answer fast.

Answers

The conclusion of the experimental result is as the amount of the ice added increases, the change in temperature increases.

option C.

What is the conclusion of the result?

The conclusion of the experimental result can be obtained as follows;

The change in the temperature for the mass of ice of 59.9 g is calculated as;

Δθ = 16 - 20.2

Δθ = - 4.2 ⁰C

The change in the temperature for the mass of ice of 60 g is calculated as;

Δθ = 44.2 - 48.1

Δθ = - 3.9 ⁰C

The change in the temperature for the mass of ice of 71.1 g is calculated as;

Δθ = 1 - 6.1

Δθ = - 5.1 ⁰C.

The change in the temperature for the mass of ice of 122.6 g is calculated as;

Δθ = 3.3 - 14.6

Δθ = - 11.3 ⁰C

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Describe the magnetic field of a south-south pole arrangement.

Answers

When one south pole's magnetic field line comes close to another south pole, the second south pole's field lines will begin to bend away from the first south pole.

What configuration do magnetic poles have?

A bar magnet suspended in the Earth's magnetic field will naturally point north and south. Any pole that pursues the north is referred to as a north magnetic pole, such as the north-seeking pole of this sort of magnet. The south-seeking pole or any pole that resembles it is a south magnetic pole.

What takes place at the magnet's south pole?

Like poles repel one another whereas opposite poles are attracted to one another. Therefore, when the south pole of a magnet is brought close to the north pole of a magnetic needle that is suspended freely, it will attract. A. When the South pole of a magnet is brought close to the North pole of a magnetic needle that is suspended freely, they will both attract one another.

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Kinetic energy is the energy of motion. How could you determine how much kinetic energy an object has?.

Answers

Motion is created by kinetic energy. K.E. = 1/2 mv2 can be used to calculate an object's kinetic energy.

What is being moved?

Motion is the change in an object's location with relation to time. Motion is described mathematically using terms like displacement, velocity, distance, kinetic energy, and speed.

Kinetic energy:

Kinetic energy is essentially the energy underlying motion and can be observed in the movement of objects or subatomic particles. Every atom or object in motion contains kinetic energy.

A human walking, a baseball flying through the air, food falling from a desk, and an alpha object in an electric field are all example of kinetic in action.

The equation for calculating the angular momentum of an object with mass m and motion is K.E. = 1/2 mv^2.

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A savings account is opened with an initial deposit of $425. 0. Determine the account balance after 9 years if the account earns 2. 7% simple interest annually. $3,928. 28 $1,457. 75 $528. 28 $103. 28.

Answers

After 9 years, the account balance would be $528.28. The result is obtained by adding the amount of interest to the initial deposit.

How to count the simple interest?

The simple interest of an amount of money can be counted by the following formula.

I = P × r × t

I = A - P

Where

I = simple interestP = principal amount (initial balance)r = simple interest ratet = time periodA = final balance

A savings account has the initial deposit of $425.00. It earns 2.7% simple interest per year. Find the final account balance after 9 years!

The amount of interest itself is

I = P × r × t

I = $425.00 × 2.7% per year × 9 years

I = $425.00 × 0.027 × 9

I = $103.28

The account balance after 9 years would be

I = A - P

$103.28 = A - $425.00

A = $425.00 + $103.28

A = $528.28

Hence, the final account balance after 9 years is $528.28.

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A 6-kg bowling ball sits on top of a building that is 120 meters tall.

Circle one: KE / GPE / both

Show your work for finding the values of each type of energy the object has:

Answers

The gravitational potential energy of the bowling ball is 7,056 J.

What is the gravitational potential energy of the bowling ball?

The gravitational potential energy of the bowling ball is calculated by applying the following formula;

P.E = mgh

where;

m is the mass of the bowling ballh is the height of fall of the bowlingg is acceleration due to gravity

P.E = ( 6kg x 9.8 m/s² x 120 m )

P.E = 7,056 J

Thus, the gravitational potential energy of the bowling ball is the energy possessed by the ball due to its height above the ground level.

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A machine gun fires 25-g bullets at the rate of 4 bullets per second. The bullets leave the gun at a speed of 1000 m/s. What is the average recoil force experienced by the machine gun?.

Answers

Answer:

100 N

Explanation:

For ONE bullet ( .025 kg)

 fired to 1000 m/s   in  .25 s   ( four per second)

     acceleration = 1000 m/s   /  .25 s = 4000 m/s^2

then F = ma

           = .025 kg * 4000 m/s^2 = 100 N

A car roll down the hill, accelerating at 2m/^2. How far doe it roll in 1. 5 econd ?

Answers

So the car rolls a distance of 2.25 meters in 1.5 seconds.

To find the distance the car rolls in 1.5 seconds, we need to use the equation:

Distance = Initial velocity x Time + (1/2) x Acceleration x (Time^2)

Since the initial velocity of the car is 0 (it's rolling down the hill and not moving initially), we can simplify the equation to:

Distance = (1/2) x Acceleration x (Time^2)

Plugging in the values we have:

Distance = (1/2) x 2m/s^2 x (1.5s)^2

Distance = (1/2) x 2 x 1.5^2

Distance = (1/2) x 2 x 2.25

Distance = 2.25m

So the car rolls a distance of 2.25 meters in 1.5 seconds.

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Mr. And mrs. Ozawa are driving their family to a vacation spot 496496 miles away. They want to get there in 88 hours. What is the average speed they need to drive?.

Answers

The average speed they need to drive is around 5.64 miles per hour. The result is obtained by dividing the total distance by the total time taken.

What is average speed?

Average speed is the overall speed of a moving object during a given amount of time. It can be expressed as

Avg speed = Total distance covered / Total time taken

Mr. and Mrs Ozawa are driving 496 miles away. The time they want to get there is 88 hours.

Find the average speed they need to drive!

We have

The total distance = 496 miles.The time taken = 88 hours.

We would get

Avg speed = Total distance covered / Total time taken

Avg speed = 496 miles / 88 hours

Avg speed = 5.64 miles per hour

Hence, they need to drive with the average speed at around 5.64 mph.

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A 1.8 kg rock initially at rest loses 390 J of potential energy while falling to the ground. Assume that air resistance is negligible.
Calculate the kinetic energy that the rock gains while falling.

Answers

The rock gains 412 J of kinetic energy as it falls.

What is a kinetic example?

Any moving item uses kinetic energy, such as a person walking, a baseball being thrown, a piece of food falling from the a table, or a charged particle inside an electric field.

What makes it kinetic energy?

Describe kinetic energy. A particle or an item that is in motion has a sort of energy called kinetic energy. An item accumulates kinetic energy when work, which involves the transfer of energy, is performed on it by exerting a net force.

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Find vm the muzzle velocity of the ball (i. E. , the velocity of the ball at the spring's equilibrium position y=0 ).

Answers

This means that the ball does not have any velocity when it is at the spring's equilibrium position.

What is equilibrium?

Equilibrium is a state of balance where opposing forces or influences are equal and balanced. It is a situation where there is no tendency for change in a system. Equilibrium can be reached in a variety of situations in economics, physics, chemistry, biology, and other fields. In economics, equilibrium is the state at which the market prices of goods and services are stable and consistent with the amount of goods and services that are being supplied and demanded. In physics, equilibrium is a state where all forces acting on an object are balanced and no net force is present. In chemistry, equilibrium is a state where the rates of the forward and reverse reactions of a chemical reaction are equal. In biology, equilibrium is a situation where the forces of natural selection are balanced and no net change in the genetic composition of a population is observed.

The muzzle velocity of the ball can be calculated using the equation v = √2gy,
Where v is the velocity of the ball, g is the acceleration due to gravity, and y is the height of the spring's equilibrium position.
In this case, the muzzle velocity of the ball is equal to √2g*0, or 0 m/s, since the spring's equilibrium position is at y=0.
This means that the ball does not have any velocity when it is at the spring's equilibrium position.


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Calculate the gravitational force between two people, 60 kg and 70 kg, respectively,
separated by 2.5 meters.

Answers

According to the question The Answer is F = 7.008 x 10^-8 N. Because every item in the cosmos that has mass pulls on every other object with a gravitational force, there is a gravitational force.

How to Calculate the gravitational force between two people

The gravitational force, which is what pushes mass-containing objects toward one another. We frequently consider the pull of gravity from the Earth. Your body is kept on the ground by this force. However, all mass-bearing objects are pulled toward one another by gravity

The Newton's Law of Universal Gravitation According to Isaac Newton, the gravitational pull between any two objects is inversely proportional to the square of their separation (r) and is directly related to their respective masses (m 1 and m 2). The formula is

F g = G m 1 m 2/ r 2.

G is the universal gravitational constant in this equation.

G = 6.67 × 10 − 11 N ⋅ m 2 / k g 2 .

This is based on the assumption that two people are "standing" 2 meters apart in outer space, free from any other substantial gravitational forces.

F = Gm1m2/r^2

where r is the distance between the centers of mass.

G = 6.6743 × 10^-11 m^3•kg^-1•s^-2 (N•m^2•kg^-2)

m1 = 60 kg

m2 = 70 kg

r = 2 m

F = 6.6743 x 10^-11 N•m^2 kg^-2•(60•70) kg^2/ (2 m)^2

F = 7.008 x 10^-8 N

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Radiation is spontaneously emitted from hydrogen-3 nuclei, but radiation is not spontaneously emitted from hydrogen-1 nuclei or hydrogen-2 nuclei. Which hydrogen nuclei are stable?.

Answers

Nuclei of H1 and nuclei of H2 are the only stable nuclei oh hydrogen.

Hydrogen is the first and most basic of all elements in the universe.

It is also the lightest element in the periodic table and 90% of all atoms in the universe are hydrogen atoms.It is represented by the symbol 'H'

Radiation is spontaneously emitted from nuclei of H3 because this isotope of hydrogen is highly radioactive as compared to other isotopes of hydrogen namely; nuclei of H1 and nuclei of H2.

The nucleus of H3 also called as tritium contains one proton and two neutrons, while the nucleus of the common isotope H-1 (protium) contains one proton and zero neutrons, and the nucleus of H-2 (deuterium) contains one proton and one neutron.

Therefore H1 and H2 have much stable nucleus as compared to nuclei of H3.

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50 points and brainliest!
In autoimmune disorders, such as lupus, the immune systems cannot tell the difference between foreign substances and its own cells. Health officials estimate that over five million people have been diagnosed with lupus worldwide

OBJECTIVES
Learn about lupus.
Write a four-paragraph (400 word) report on what you have learned.
Directions
Use the library and other reference materials to research lupus. Then, write a 400 word report on what you have learned. Be sure to include symptoms, causes, and treatments.

Answers

Lupus is a kind of disease in which the bodies immune system attacks its own cells.

What is the immune system?

We know that the immune system is the system that is in the body that is able to fight off the invaders that come into the body. As such, the immune system is the system that attacks any disease causing organism that comes into the body.

We know that foreign cells can be able to cause diseases in the body and they can be able to affect the balance of the cells that are in the body. Now, we can see that there are some circumstances in which the cells of the body begins to fight themselves.

This implies that the immune system of the body sees its own cells as the enemies and then begins to attack them and as such the person that has this condition is said to have an auto immune disorder.

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Three objects with a mass of M exert gravitation forces on each other. What is the direction of the net force on mass B? Explain your reasoning.

Answers

When three objects with a mass of M exert gravitation forces on each other, the direction of the net force on mass B will vary according to position of three masses.

What is gravitation?

The force of attraction between any two bodies is known as gravitation. There is an attraction between every thing in the cosmos, but most of the time it is too faint to be noticed due to the extreme distance between the objects.

Along the line connecting the centers of the two bodies, the gravitational force acts. Hence,  the direction of the net force on mass B will vary according to position of three masses.

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Mars has two moons, Phobos and Deimos. Based on the image shown,
describe the force vectors representing the gravitational interactions
between Phobos, Deimos, and Mars. Based on the image, choose the
option that correctly identifies the missing terms, in order of their
appearance in the sentences. Mars has
force vectors pointing in
vector on Phobos from the force of gravity of Deimos is
the force vector on Deimos from the force of gravity of Phobos.
gravitational
The magnitude of the force

Answers

Answer:

3

Explanation:

seems more reasonable because of the fact that the other moon is on the other gravitational pull because of the outer ring and are the exact opposite sides

a body travels from rest with acceleration 8ms-2. Find it velocity when it has covered a distance of 100meters​

Answers

40 m/s

We have the equation of motion v^2-u^2= 2as ------------- ( i)

where v = final velocity which is unknown let it be x m/s

u = initial velocity which is 0 m/s ...( The body starts from rest )

a = Acceleration gained by body = 8 m/s^2

s stands for distance covered in till v velocity which is 100 meters.

So by using equation( i)

x^2- 0 = 2*100*8x^2 = 1600x = Sqrt(1600)x = 40

So the velocity of the body will be 40 m/s when it had a covered distance of 100 meters.

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4. Which of the following statements is not accurate regarding identifying factors on the health pyramid?
O All three sides of the health triangle affect each other.
Personal actions are categorized on the health pyramid by the intended purpose of the initial actions.
O Physical health is the base of the triangle and is the most important part of the health triangle.
O Working out a gym would be categorized in the physical health category.

Answers

Physical health is the base of the triangle and is the most important part of the health triangle.

How does a food pyramid help individuals eat a healthy diet?A fantastic method to show what foods go into a healthy diet is to translate nutritional advice into a vibrant pyramid. The design quickly conveys the idea that some foods are healthy and should be consumed frequently, while others are less healthy and should only be consumed sometimes. Protein, not fat, is a factor in regulating the evolution of genetic traits. Additionally, fat aids in the absorption of vitamins A, D, E, and K. Fat serves as the body's main energy reserve and is essential for functions like digestion. For a healthy, balanced diet, the Food Pyramid outlines how much of your total intake should come from each shelf.

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9. **A golfer can drive a ball with an initial speed of 30.0 m/s. If the tee and the green are separated by 80m, but on the same level, at what angle should the ball be driven (Hint: recall that 2cos(x)sin(x)=sin(2x))?

Answers

Answer:

Range formula:

R = V^2 sin 2θ / g

sin 2θ = R g / V^2 = 80 m * 9.80 m/s^2 / (30 m/s)^2 = .871

2θ = 60.6 deg

θ = 30.3 deg

Check:     30 * cos 30.3 = 25.9 m/s       horizontal speed

t = 80 m / 25.9 m/s = 3.08 sec        to reach target

H = Vy0 t - 1/2 g t^2

Vy0 = 30 * sin 30.3 = 15.1 m/s     initial vertical speed

H = 15.1 * 3.08 - 4.9 * 3.08^2 = 46.5 - 46.5 = 0    

Ball will be back at starting height after 3.08 s

A boat attempts to cross a river going 12.0 mi/hr from the South bank travelling in a Northward direction. The river flows West at 5.0 mi/hr. What is the actual velocity of the boat? The answer should be in magnitude-direction form.

Answers

The actual velocity of the boat is 13.0 mi/hr at an angle 67.38° north-west respect to south bank.

What is velocity?

The rate at which a body's displacement changes in relation to time is known as its velocity. Velocity is a vector quantity with both magnitude and direction. SI unit of velocity is meter/second.

The actual velocity of the boat = √(12.0²+5.0²) mi/hr = 13.0 mi/hr.

The direction of the velocity of the boat w.r.t south bank = tan⁻¹(12/5) = 67.38⁰.

Hence, The actual velocity of the boat is 13.0 mi/hr at an angle 67.38° north-west respect to south bank.

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Anthony walk to the pizza place for lunch. He walk 1 km eat then 2 km outh and then 1 km eat again. What ditance did he cover and what wa hi diplacement

Answers

Answer:

Explanation:

3km

What is HEV configuration?

Answers

HEV (Hybrid Electric Vehicle) configuration is a type of vehicle powertrain that combines a traditional internal combustion engine (ICE) with an electric motor.

HEV technology uses a battery to store electricity generated from the ICE, which is then used to power the electric motor when needed.

This can result in improved fuel efficiency and reduced emissions compared to conventional ICE vehicles.

Additionally, HEV configurations can often provide enhanced performance due to the combination of ICE and electric power.

HEV (Hybrid Electric Vehicle) configuration is a technology that combines a conventional internal combustion engine with an electric motor. This hybrid system is designed to provide improved fuel efficiency and reduce emissions.

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A police car is heading towards you with its siren blaring. Explain what is
happening to the wavelength as the police car is moving towards you and what is
happening to the wavelength as the firetruck moves away from you.

Answers

The sound waves become louder and more frequent as a police car approaches a person on the street. This person notices the siren's pitch rising. The sound waves become less frequent as they spread apart and accelerate away from the police car.

What changes in wavelength do you notice when a siren is coming?

Therefore, even though the siren emits waves with a constant frequency, as it gets closer to us, the observed frequency rises and we hear a higher pitch. The observed frequency and pitch decrease as it moves away after passing us.

When the police car approaches, what frequency will you hear?

A police car's siren has a pure tone and operates at a frequency of 1125 Hz.

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pls help I need the answer

Answers

Answer:

You need to plug in the values

(C) 100(-1/2)^0 = 100

100(-1/2) = -50

100(-1/2)^2 = -25

100(-1/2)^3 = 100 * -1/8 = -12.5

Please help, will give brainiest
QUESTION 1.
Element X on Planet Qatar has three known isotopes: X-121 with a relative abundance of 43.2%, X-123 with a relative abundance of 53.1%, and X-129 with a relative abundance of 3.70%. What is the average atomic mass in amu of Element X given this information?

QUESTION 2.
How did Rutherford's experiment change the way scientists had previously viewed atomic structure? How did this pave the way for subsequent changes up to and including the currently accepted quantum mechanical atomic model?

QUESTION 3.
How is percent abundance related to average atomic mass?

Answers

a) The relative atomic mass is 122.35 amu

b) The Rutherford model introduced the planetary model

c) The percentage abundance shows how much of that mass is present.

What is the relative atomic mass?

We have to know that as what we need here is the relative atomic mass of the element X then we must have to be able to look at the weighted average of all the isotopes that have been shown to belong to the element that is in question called X.

Thus we would have;

(121 * 0.432) + (123 * 0.531) + (129 * 0.037)

= 52.27 + 65.31 + 4.773

= 122.35 amu

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A 0.010 kg marble moving right at 3.0 m/s hits a 0.020 kg marble moving left at -3.0 m/s. If the larger marble continues to roll to the left at -1.0 m/s after the collision, what does the smaller marble take off at?

Answers

The velocity of the smaller marble after collision is -0.33 m/s.

What is velocity?

Velocity is the rate of change of displacement.

To calculate the velocity of the smaller marble after collision, we use the formula below.

Formula:

V = [(m'v+mu)-mU]/(m+m')................. Equation 1

Where:

V = Velocity of the smaller marble after collisionm = Mass of the bigger marblem' = Mass of the smaller marblev = Initial velocity of the smaller marbleu = Initial velocity of the bigger marbleU = Final velocity of the bigger marble

From the question,

Given:

m = 0.02 kgm' = 0.01 kgu = - 3 m/sv = 3 m/sU = -1 m/s

Substitute these values inton equation 1

V = [0.02(-3)+(0.01×3)-0.02(-1)](0.01+0.02)V = (-0.06+0.03+0.02)/0.03V = -0.01/0.03V = -0.33 m/s

Hence, the smaller marble take off at -0.33 m/s.

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What is the formula for calculating magnitude?

Answers

The formula for calculating magnitude is  |v| =√(x2 + y2)

A vector formula's magnitude can be used to condense the numerical value of a particular vector. A vector has a magnitude and a direction. This magnitude of a vector formula provides a summary of the individual vector measurements along the x, y, and z axes. The symbol for it is |v|.

|v| =(x2 + y2) is the formula to calculate the magnitude of a vector (in two dimensions) v = (x, y). The Pythagorean theorem serves as the basis for this formula.

|V| = (x2 + y2 + z2) is the formula to calculate the magnitude of a vector (in three-dimensional space) V = (x, y, z).

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VT 101.00 V, T = ?, R₁ = ?
V₁?, I₁=?, R₁= ?
V₂= 33.00 V, 12= ?,
R₂= ?
V3- 37.00 V, 13= ?,
R3= 12.00 Ohms
Solve for all the necessary parts of the circuit to answer the following question:
What is the voltage drop at (V₁) which is the voltage drop at resistor one?

Answers

Answer:

To solve for the voltage drop at V₁, we can use Ohm's law, which states that the voltage drop across a resistor (V) is equal to the current (I) flowing through it multiplied by the resistance (R) of the resistor.

V = I * R

The information given in the question is as follows:

VT = 101.00 V

T = Unknown

R₁ = Unknown

V₁= Unknown

I₁=Unknown

R₂= Unknown

V₂= 33.00 V

I₂ = 12.00 Amperes

R₂ = Unknown

V₃ = 37.00 V

I₃ = 13.00 Amperes

R₃ = 12.00 Ohms

The first step is to calculate the current flowing through the circuit by using the formula Power= Voltage * Current

P = VT

I = P/VT = 101/101 = 1 Amperes

Now we can use Ohm's Law to find the voltage drop across R1:

V₁ = I * R₁ = 1 * R₁

To find the resistance of R1, we can use the formula:

T = V₁ + V₂ + V₃

R₁ = (T - V₂ - V₃) / I

Substituting the values,

101 = V₁ + 33 + 37

V₁ = (101 - 33 - 37) = 31 Volts

So, the voltage drop at V₁, which is the voltage drop at resistor one, is 31 Volts.

Explanation:

bike is traveling with a velocity of 22 m/s and has a mass of 25 kg. How much kinetic
energy does the bike have? PSc. 3.1.2

Answers

Answer: 12,100 Joules of Kinetic Energy

Explanation:

Kinetic energy is a measure of how much energy something has because it's moving. To calculate the kinetic energy of a bike, you need to know how heavy it is and how fast it's going. We use a formula that looks like this:

(1/2) x the weight of the bike (in kilograms) x the speed of the bike (in meters per second) x the speed of the bike (in meters per second)

So if we have a bike that weighs 25 kilograms and is going 22 meters per second, we can plug those numbers into the formula like this:

(1/2) x 25 x 22 x 22

And we find out that the bike has 12,100 Joules of kinetic energy.

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An individual diagnosed with schizophreniform disorder, often described as provisional schizophrenia, __________. HELP ASAP QuestionGarret studies number of hours sleep per night among students who have a grade point average of 3.04.0 versus students who have a grade point average of 2.03.0. His theory is that students who get more sleep will have a higher grade point average than students who get less sleep because they are more rested and, therefore, better able to concentrate.In his samples, the mean number of hours of sleep students with a grade point average of 3.04.0 received each night was 6.8. The mean number of hours of sleep students with a grade point average of 2.03.0 received each night was 6.4.Assuming there are no outliers or skew, do the results support Garret's theory?Select from the drop-down menus to correctly complete the statements.Since the samples were large and randomly chosen, we can use the samples to understand the populations.Because the sample mean for students with a grade point average of 3.04.0 is Choose...a. less thanb. about the samec.greater than the sample mean for students with a grade point average of 2.03.0, the results Choose...a. tend tob. do not tend to How did general zaroff's father react when he shot some of his prize turkeys? o took him to a shooting range to practice on targets o complimented him on his marksmanship o spanked him and sent him to boarding school o gave him up for adoption You cannot have an invalid entry in the foreign key column; at the same time, you cannot delete a vendor row as long as a product row references that vendor. this is known as:____. Example problem for determining nominal strength of a single reinforced concrete beam with two rows of steel? A farmer uses a lot of fertilizer to grow his crops. The farmer's manager thinks fertilizer products from distributor A contain more of the nitrogen that his plants need than distributor B's fertilizer does. He takes two independent samples of four batches of fertilizer from each distributor and measures the amount of nitrogen in each batch. Fertilizer from distributor A contained 33 pounds per batch and fertilizer from distributor B contained 25 pounds per batch. Suppose the population standard deviation for distributor A and distributor B is three pounds per batch and four pounds per batch, respectively. Assume the distribution of nitrogen in fertilizer is normally distributed. Let 1 and 2 represent the average amount of nitrogen per batch for fertilizer A and B, respectively. Which of the following is the correct value of the test statistic? A private closed economy includes: Major categories of SQL commands include _____. Select all options that apply. In a bag of 10 marbles, there are 4 blue, 3 red, 2 green,and 1 yellow. What is the probability that you draw onemarble that is red, replace it, and draw another marble thatis yellow?a. 2-5b. 3100C. 130O d. 310 a x = 5b. x = 5iC. x = 35d. x = 33e. x = 3i3f. x= 3i51. x^2+45=02. x^2=-253. x^2-25=04. x^2-45=05. x^2=276. x^2+27=0Match the items Think about your mother and write a short poem about her , thanking her for everything she does for you. please help ! After the breakup of the Soviet Union , farms 1. Reflect Rectangle ABCD across the y-axis, thentranslate it using the following rule:(x,y) (x-4, y - 3).A BD-4 -242O-2--4-24XxA' (B'(C'(D'(A"(B"(C"(D"())))PLS HELP ME WITH THIS If income is distributed equally, the Maths-4What is the smallest number that is divisible by each of the numbers given below{1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }5040378012602520None of the above (b) What are the differences between reproduction in Rhizopus and in maize. Select the correct answer from the drop-down menu.The expressionis not equivalent to (1 - sin(x)) tan(-x).JeC Identify the factors that contributed to the decline and near-disintegration of native american cultures in north america, following the arrival of european explorers in the late fifteenth century. There are many muscles in our body. our body uses muscles to move parts of our body. a part that needs to move a lot will have a higher number of muscles. which of the following parts is most likely to have the most muscles? a. ear lobe b. stomach c. teeth d. brain At the end of this lesson, you learned a little about four genocides that have occurred since world war ii. choose one of the genocides to study further. use one of these resources to start your research: cambodia bosnia-herzegovina rwanda darfur based on your research, write a short essay of 250300 words discussing the genocide you have chosen to study. your essay should describe the events that match the eight stages of genocide. it should also answer these questions: why did this genocide start and who was involved? what steps might people have taken to prevent genocide? provide examples of those steps. how can the international community prevent genocide in the future?