The kinetic energy and gravitational potential energy changes during its movement from ground to the top height.
What happens to kinetic and potential energy while motion?When the ball moves upward, its gravitational potential energy is increases and kinetic energy begins to decrease but when the ball falls towards the earth, its gravitational potential energy is transformed into kinetic energy. When the ball collides with the ground, the kinetic energy is transformed into other forms of energy.
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How does the pattern of magnetic stripes give evidence for seafloor spreading?.
Answer:
These patterns of stripes provide the history of seafloor spreading. Geophysicists can read these patterns from the magnetic anomalies they measure with a magnetometer. Where the magnetic wiggles, or anomalies, are broader, the spreading rate has been faster.
Explanation:
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Which of the following types of forces is NOT an active force.
A. Tensional Force
B. Applied Force
C. Gravitational Force
D. Friction Force
Answer: A.
Explanation: Because it is like when you rub your knees on a rug it is tensional so that would make it a not active force.
help me plz noww thx
Which type of wave is a combination of two waves?
mechanical waves
longitudinal waves
surface waves
transverse waves
Answer:
Standing wave,Also called stationary wave,combination of two waves moving in opposite direction,each having the same amplitude and frequency.They phenomenon is the result of interference;that is when waves are superimposed,their energies are either added together or cancelled out.
Explanation:
hpe it hlps u<°>
The combination of two waves is "mechanical waves". The correct option is A.
What is a mechanical wave?A mechanical wave is a type of wave that requires a medium to travel through. In a mechanical wave, energy is transferred through the motion of particles in the medium, rather than the transfer of matter. Examples of mechanical waves include sound waves, water waves, and seismic waves.
In a mechanical wave, energy is initially added to a small region of the medium, which creates a disturbance that propagates outward as a wave. As the wave travels, particles in the medium oscillate back and forth around their equilibrium positions, transferring energy to neighboring particles. The wave continues to travel until it encounters a boundary, where it may be absorbed, transmitted, or reflected.
Mechanical waves can be classified as transverse waves or longitudinal waves, depending on the direction of particle motion relative to the direction of wave propagation. In a transverse wave, particle motion is perpendicular to the direction of wave propagation, while in a longitudinal wave, particle motion is parallel to the direction of wave propagation.
Mechanical waves are an important aspect of many natural phenomena and technological applications. They play a crucial role in fields such as acoustics, optics, and seismology, and have applications ranging from medical imaging to telecommunications.
Here in the Question,
A combination of two waves can be any type of wave, but it is most commonly a type of mechanical wave. Mechanical waves are waves that require a medium to travel through, such as sound waves or water waves.
The other three types of waves mentioned - longitudinal waves, surface waves, and transverse waves - are all specific types of mechanical waves.
Longitudinal waves are waves in which the particles of the medium vibrate back and forth parallel to the direction of wave propagation. Examples include sound waves and seismic waves.
Transverse waves are waves in which the particles of the medium vibrate perpendicular to the direction of wave propagation. Examples include light waves and electromagnetic waves.
Surface waves are waves that occur at the interface between two different media, such as the interface between air and water. Examples include ocean waves and seismic waves.
Therefore, the most appropriate answer to the question would be "mechanical waves".
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Which statement is true?
Select one:
O a. Social media is not a reason some people have negative attitudes
towards their bodies.
O b. Physical fitness is a fad.
O c. You must be an athlete to be physically fit.
Od. Heredity does not control your ability to participate.
Answer:
A, I think, hope this helps!
Answer:
i think d because some people are talented even though they are suffering
How does the law of conservation of energy relate to the system shown in this model
Answer: The law of conservation of energy is a physical law that states energy cannot be created or destroyed but may be changed from one form to another. Another way of stating this law of chemistry is to say the total energy of an isolated system.
Explanation:
Answer:
the sun gives off energy to the color panel
As a block falls through the air by 40m it does work equal to-1800. Determine the mass ofthe block
Answer:
don't
Explanation:
The mass of the block is 4.5 kg that falls by 40m and work done is -1800J.
What is work done?The work done is defined as the product of the displacement of an object and the component of the applied force which is in the direction of the object's displacement.
w=f × s
-1800=f×40
f=45 N
by Newton's 2nd law
F=ma
45=m×(10)
m=45÷10=4.5 kg
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The bicep muscle has an attachment point at the shoulder and one in the upper forearm. Look at these images of the bones of the arm. Imagine that the point of the arrow is where the force of the biceps muscle is applied to the bone. 4 images of the bones of the arm are shown. In image A, the bicep pulls the forearm upwards. In image B, the forearm pushes the bicep upwards. In image c, the forearm pulls to the right. In image D, the forearm pushes to the left. Which image would result in the biceps muscle contracting and the forearm being lifted? A B C D.
Option A is correct. The biceps is the muscle that runs down the front of the upper arm. The biceps consists of a single muscle with a "short head" and a "long head'.
What is a bicep muscle?
The biceps is the muscle that runs down the front of the upper arm. The biceps consists of a single muscle with a "short head" and a "long head."
Tough connective fibers called tendons link the biceps to the arm bones. Because the insertion of the bicep muscle is in the forearm, when it contracts, it raises the forearm.
Hence Option A is correct.
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please answer!!! don’t mind the stuff in the parentheses ( nnshshsjjzjzjzjzjjzjzjz )
Answer:
4.D.all of them are correct
5. B.Making observation
a 50kg person is standing still in ice skates throws their 2.0kg helmet to the right at 25m/s while on a friction less surface. what is the final speed of the person
Answer:
Vp = 1 [m/s]
Explanation:
In order to solve this problem, we must use the principle of conservation of the amount of movement. In the same way, analyze the before and after of the actions.
The moment before
The 50kg person is still hold (no movement) with the 2kg helmet
The moment after
The helmet moves at 25[m/s] in one direction, the person moves in the opposite direction, due to the launch of the helmet.
In this way we can apply the principle of conservation of movement, expressing the before and after. To the left we have the before and to the right of the equal sign we have the after.
Σm*V1 = Σm*V
where:
m = total mass = (2 + 50) = 52[kg]
V1 = velocity before the lunch = 0
(50 + 2)*V1 = (25*2) - (Vp*50)
0 = 50 - 50*Vp
50 = 50*Vp
Vp = 1 [m/s]
is 5g greater than 20.43 mg
Answer
Yes.
Explanation:
20.43mg is equal to 0.02043g.
How long will bus take to travel 150 km at an average speed of 40km/hr
Answer:
3.75 hours
Explanation:
By [tex]v = \frac{d}{t}[/tex]
where v is the velocity (or speed in this case)
d is the distance travelled
t is the time taken
[tex]t = \frac{150}{40}=3.75[/tex]
Therefore it takes 3.75 hours for the bus to travel 150 km and 40 km/hr.
A student adds a tablespoon of sugar to a glass containing
tea and ice cubes. The mixture is then stirred until all the
sugar dissolves.
Which observation is a clue that the student's final mixture is heterogeneous?
A. Some ice cubes are floating in the tea.
B. Some water droplets form on the outside of the glass.
C. The mixture looks the same throughout.
D. The sugar crystals are no longer visible in the tea.
Answer:
[tex]\huge\boxed{\sf Option \ A}[/tex]
Explanation:
When we stir the solution such that it forms a mixture and the sugar is completely dissolved, we still find some ice cubes floating in the tea which shows that it is a heterogeneous mixture.
A Heterogeneous Mixture:
It is a mixture which has two or more phases that can be separated by physical means.
[tex]\rule[225]{225}{2}[/tex]
Hope this helped!
~AnonymousHelper1807Answer: Some ice cubes are floating in the tea.
Explanation:
A. Some ice cubes are floating in the tea.
B. Some water droplets form on the outside of the glass.
C. The mixture looks the same throughout.
D. The sugar crystals are no longer visible in the tea.
please help me determine the distance between the two children
Answer:
10
Explanation:
what is the answer to this?
Answer:
I think it is the forth one
Answer:
the last one. "of the thumbprint searing her immutable brow"
Explanation:
I hope it help you : )
Ben walks 500 meters from his house to the corner store. He then walks back toward his house but stops to talk to a
neighbor when he is 200 meters from the corner store. If it takes Ben 910 seconds from the time he leaves his house
until he stops to talk to his neighbor, what is his average velocity? (Round your answer to the nearest tenth of a meter
per second.)
Ben's average velocity is m/s.
Answer:
I'm terrible at explaining so here's a screenshot
- Ripper
Explanation:
An airplane accelerates with a constant rate of 3.0 m/s2 starting at a velocity of 21 m/s. If the distance traveled during this acceleration was 535 m, what is the final velocity?
Answer:
60.42 m/s.
Explanation:
This problem can be solved using equation of motion
[tex]V^2 = u^2 + 2as[/tex]
where v is the final velocity
u is the initial velocity
a is the acceleration
s is the distance moved by the body to reach final velocity v from initial velocity u.
___________________________________________________
given
u = 21m/s
a = 3.0 m/s2
s = 535 m
v, the final velocity we have to find
using the equation of motion
[tex]V^2 = u^2 + 2as\\V^2 = 21^2 + 2*3*535\\V^2 = 441 + 3210 = 3651\\\sqrt{v^2} = \sqrt{3651} \\v = 60.42[/tex]
Thus, the final velocity of airplane is 60.42 m/s.
The final velocity is 60.42 m/s
The parameters given in the question are;
initial velocity(u)= 21 m/s
acceleration(a)= 3.0 m/s²
distance(s)= 535 meters
final velocity(v)= ?
The final velocity can be calculated as follows
v²= u² +2as
v²= 21² + 2(3)(535)
v²= 441 + 3210
v²= 3651
v= √3651
v= 60.42
Hence the final velocity is 60.42 m/s
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Explain how competition between organisms affects the availability of resources in an area.
please help!
Answer:
Completion between two organism is when they fight over resources inadvertently causing the use and destruction of recourses making it more scares. if they don't adapt they die out.
Answer:Sample Response: In any ecosystem, the availability of resources is often limited due to competition. Competition results when two organisms require the same limited resource, such as food, water, shelter, or sunlight.
Explanation:
Go with this
How can a person increase the momentum of an object?
A. by decreasing its velocity
B. by increasing its mass
C. by increasing its friction
D. by decreasing its acceleration
Answer: B
Explanation:
Classical momentum is defined to be the product of mass and velocity. Increasing the objects total mass or their velocity would also increase the momentum. The only applicable answer is B, increasing the mass of the object.
[tex]p=mv[/tex]
Answer:
B. By increasing its mass
Explanation:
Momentum of an object is directly proportional to its mass and velocity
how much does a 125kg person weight on earth
Answer:
300,000
Explanation:
its basicly adding 125+125+125+125+125+125+125+125+125 or125 x 9
(b) A teacher uses a 2200 W kettle to heat water.
The kettle is switched on for 2 minutes.
(i) Calculate the energy transferred by the kettle.
The amount of energy transferred by the kettle in the given time is 264000J
Given the data in the question;
Power of electric kettle; [tex]P = 2200W[/tex]Time elapsed; [tex]t = 2min = 120s[/tex]Energy transferred by the kettle; [tex]E = \ ?[/tex]
Energy and PowerElectrical energy is energy gotten due to the movement of particles that are electrically charged .
Power is the quantity of energy transferred per unit time. It can be expressed as;
[tex]Power = \frac{Energy }{time}[/tex]
To determine the energy transferred by the kettle, we substitute our given values into the expression above.
[tex]Power = \frac{Energy}{time} \\\\2200W = \frac{E}{120s}\\ \\E = 2200W * 120s\\\\E = 264000J[/tex]
Therefore, the amount of energy transferred by the kettle in the given time is 264000J.
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What is the density of a box
that has a mass of 35 g and
a volume of 17cm3? squared
No one has answered.....
Good evening! Can someone please answer this, ill give you brainliest and your earning 50 points. Would be very appreciated.CAN SOMEONE ACTUALLY PLEASE ANSWER THIS AND NOT GIVE A RANDOM ANSWER, IT RUINS PEOPLE'S DAY SERIOUSLY.
Answer:
1. evidence of volcanic activity
2. carbon dioxide levels
3. temperature
Explanation:
Layers of ice accumulate over seasons and years due to climate changes over time. Climate change causes snow accumulation, greenhouse gas concentrations, volcanic and solar activity.
Which characteristics describe herbaceous stems? (Select all that apply. )
thin
stiff
thick
pliable
The characteristics that describes an herbaceous stem is thin.
What is an herb?Herb is form of a plant that posseses a non-woody stem.
Herbs are one of the three forms in which plants can exist. The other two are:
TreesShrubsSince herbaceous plants are non-woody, this means that their stems will be thin.
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Answer: thin and pliable
Explanation:
Which groups influence the creation of public policy? Check all that apply.
military branches
individual citizens
interest groups
legislators
political parties
foreign diplomats
media organizations
Legislators,political parties ,foreign diplomats are the groups influence the creation of public policy.
What is public policy?Public policy is an institutionalized plan to solve relevant and real-world problems.
It is driven by a conception and executed via programs as a course of action devised and/or adopted in response to societal challenges, often by a government or non-profit organization.
Legislators,political parties ,foreign diplomats are the groups of influence the creation of public policy.
Hence, option D,E,F are correct.
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B. individual citizens
C. individual citizens
E. political parties
G. media organizations
All electromagnetic wave travel through a vacuum at
Answer
An electromagnetic wave transports its energy through a vacuum at a speed of 3.00 x 108 m/s (a speed value commonly represented by the symbol c).
Answer:
it travels through a vacuum at the speed of light
Which of the following has potential but not kinetic energy?
A.) A roller coaster zooming down a hill
B.) A child riding their bike
C.)A bird flying from a tree
D.) A ball sitting on a shelf
Answer:
D.)Explanation:
Potential energy is when a object is not in motion and the ball is sitting on a shelf not being thrown around or rolling. kinetic energy is when a obeject is in motion and moving.
A constant force of 20 N is exerted for 10 s on
a 40 kg object initially at rest. The change in
speed of this object will be:
Must a magnetic force be exerted on the charge carriers in a conducting loop in order for a current to be induced in the loop
It is true that a magnetic force must be exerted on the charge carriers in a conducting loop for the current to be induced in the loop.
What is Magnetic Force?Magnetic Force refer to force that attract or repel between electrically charged particles mainly because of their movement. This force is responsible for attraction of magnets.
The force on a conduction current loop in a uniform magnetic field is always zero. A current loop with magnetic moment pointing to the left magnitude decrease to the right.
Therefore, It is true that a magnetic force must be exerted on the charge carriers in a conducting loop for the current to be induced in the loop.
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Astronomy is the study of the stars, planets, and other objects that make up the universe.
True
False
Answer:
Truth all the way
Explanation:
:) hope this helps