The speed at the equilibrium point of the spring-and-mass system is 0.5534 m/s.
The speed at the equilibrium point of an ideal spring-and-mass system can be calculated using the formula:
v = Aω
where v is the speed, A is the amplitude, and ω is the angular frequency. The angular frequency can be calculated using the formula:
ω = 2π/T
where T is the period of oscillation.
Substituting the given values, we get:
ω = 2π/0.51 s = 12.28 rad/s
A = 4.5 cm = 0.045 m
Therefore, the speed at the equilibrium point is:
v = Aω = (0.045 m)(12.28 rad/s) = 0.5534 m/s
So, the speed at the equilibrium point of the spring-and-mass system is 0.5534 m/s.
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What does it mean when the
compressions of a longitudinal
wave are far apart?
A. the amplitude is higher
B. the wavelength is longer
C. the wavelength is shorter
D. the amplitude is shorter
Answer:
it will option B,hope it helps
C. The wavelength is longer.
What is longitudinal wave?
A sound wave is called a longitudinal wave because compressions and rarefactions in the air produce it.
The air particles vibrate parallel to the direction of propagation.
A longitudinal wave consists of a repeating pattern of compressions and rarefactions.
Thus, the wavelength is commonly measured as the distance from one compression to the next adjacent compression or the distance from one rarefaction to the next adjacent rarefaction.
Longitudinal waves move through a medium from the point of the disturbance in the form of compressions (where particles of the medium are bunched together) followed by rarefactions (where particles of the medium are farther apart).
In longitudinal waves, the distance from one compression to the next is the wavelength.
Therefore,
In longitudinal wave the wavelength is longer.
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What is Newton's Second Law?
1.The attraction between objects
2.An object at rest tends to stay at rest and an object in motion tends to stay in motion unless acted upon by an unbalanced force
3.An object's acceleration depends on its mass and on the net force acting on it.
4.For every action there is an equal and opposite reaction
Answer:
An object's acceleration depends on its mass and on the net force acting on it.
Explanation:
Newton's second law states that the acceleration of an object is directly related to the net force and inversely related to its mass. Acceleration of an object depends on two things, force and mass.
Answer:
3.An object's acceleration depends on its mass and on the net force acting on it.
A magnet is strong at poles and weak in the middle.give reason.
Answer:
The magnets are in the outer part not the middle
Explanation:
i know
Which orbital is the first to fill with electrons in a given principal energy level?
Answer:
s orbital
Explanation:
that the answer
Balance the equation
Answer:
2K + CI2 (arrow) = 2KCI
Explanation:
ZZZZZZZZZ
how much must a woman weigh ( force) if the pressure she exerts while standing on one foot has an area of 0.6m squared exerts a pressure of 16 Pa
Answer:
W = 9.6 N
Explanation:
Given that,
Area on 1 foot, A = 0.6 m²
Pressure, P = 16 Pa
The pressure is given by force acting per unit area. So,
[tex]P=\dfrac{F}{A}\\\\P=\dfrac{W}{A}\\\\W=16\times 0.6\\\\W=9.6\ N[/tex]
So, the required weight is 9.6 N.
A stovetop burner on medium reaches 95°C. Which will also receive a flow of heat directly from the burner? the surrounding air a burner at the same temperature a pan heated to 100°C hotter water inside a pan
Answer:
Option C, a pan heated to 100°C
Explanation:
The pan on the burner will be in direct contact of the heat released by burner and hence the pan will receive the direct flow of heat from the burner.
However, the water is the pan will be heated by the heat transferred from the pan to the water in it. Water will not receive heat directly from the burner.
Hence, option C is correct
Answer:
C or 3 a pan heated to 100°CExplanation:
I have proof that it it most likely right with a side of memes.
(95kg)x(-6.549m/s)
I will give you 23 points if you answer this question
Answer:
-622.155N
Explanation:
I'm not entirely sure what physics you're doing but uh alright.
Why does mercury have the least gravitational pull?
]A net force of 15 N is applied to a cart with a mass of 2.1 kg.How long will it take the cart to travel 2.8 m, starting from rest? Acceleration=7.14m/s²
we will use one of the kinematic equations :
d = u*t+0.5*a*t²
in which : d : distance
u : initial velocity
a : acceleration
t : time
after substitution :
initial velocity = 0 m/s (from rest)
2.8 = 0*t+0.5*7.14*t²
2.8 = 3.57*t²
t² = 0.7843
after square root
t = 0.885615 s
I hope this answer will help
Which of the following statements is NOT true about chemical reactions?
A. A chemical reaction produces new substances with different properties.
B. Chemical reactions result in products that have characteristics that are not the same as the reactants.
C. During chemical reactions, chemical bonds break and/or new bonds form.
D. When a chemical reaction releases energy, it is an example of an endothermic reaction.
Answer:
D. When a chemical reaction releases energy, it is an example of an endothermic reaction.
Explanation:
"Endo" means within. Therefore, an endothermic reaction releasing energy makes no sense.
p.s.
I owe you for your help.
Thank you so much!
The statement that is not true about the chemical reaction is when a chemical reaction releases energy, it is an example of an endothermic reaction, therefore the correct answer is option D.
What is a chemical reaction?A chemical reaction is a process in which one or more substances, also known as reactants are converted to one or more different substances, known as products.
A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.
Substances with novel characteristics are created through chemical reactions.
Products of chemical reactions differ from the reactants in terms of their features.
Chemical bonds may break or produce new ones during interactions.
The excess energy is released during an exothermic reaction, making the potential energy of the reactant higher than the potential energy of the product. The right response is D.
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Ana kicks a stationary 0.2 kg soccer ball. The ball leaves her foot at a speed of 20 m/s.
a. What impulse was delivered to the ball?
b. The ball experiences 40N of force during the kick. How long were the ball and
foot in contact?
Answer:
a. 24 kg m/s
b. 3/5s
Explanation:
a.impulse is the change in momentum so at first the momentum is zero because the ball was at rest and the final momentum is 1.2kg*20m/s=24 kg m/s
so the impulse would be (24-0) kg m/s=24 kg m/s
b. so the impulse equation is impulse is force *delts time
so 24 kg m/s=40N*t
t=24 kg m/s /40N=3/5 s
What is transmission of sound?
Sound is transmitted through gases, plasma or blood, and liquids as longitudinal waves, also called compression waves. It requires a medium to propagate. Through solids, however, it can be transmitted as both longitudinal waves and transverse waves.
For example, when you flick the rim of a glass, the glass will vibrate imperceptibly. These vibrations move through the air and strike the ear drum of anyone within hearing range (click here to find out 'How Our Ears Hear'). In fact, these vibrations, or sound waves, can move through any medium: gas, liquid or solid.
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Calculate the impulse on a baseball hit by a bat with a force of 50N during
a time interval of 0.02s.
(with solution)
Answer:
1
Explanation:
Impulse = change in momentum = force x change in time
50 x 0.02 = 1
If a baseball is hit by a bat with a force of 50N during a time interval of 0.02s. Then the impulse on the baseball is 1 N s.
What is impulse?An impulse is a quantity that measures the change in momentum of an object. It is defined as the product of force and time, and it is measured in units of Newton seconds (N s) or kilogram meters per second (kg m/s). The impulse experienced by an object is equal to the change in momentum that occurs when a force is applied to it for a specific period of time.
Impulse is practically applied in various areas of physics and engineering. Here are a few examples:
Sports: Impulse is a crucial factor in many sports, especially those that involve hitting or throwing objects. In sports like baseball, cricket, and golf, the force and time of impact determine the ball's momentum and trajectory.
Transportation: The impulse experienced by vehicles during a collision is used to determine the forces that act on the occupants. This information is used to design safety features such as airbags and crumple zones.
Engineering: In mechanical engineering, impulse is used to design machines that can produce large forces over short periods. For example, hydraulic presses use a large force over a short period to shape metal or other materials.
Physics: Impulse is a fundamental concept in physics, particularly in the study of collisions and the conservation of momentum. The impulse-momentum theorem is a fundamental law of mechanics that relates the change in momentum of an object to the impulse applied to it.
Here in the Question,
The impulse on the baseball can be calculated using the formula:
Impulse = Force x Time
Given that the force is 50 N and the time interval is 0.02 s, the impulse can be calculated as follows:
Impulse = 50 N x 0.02 s
Impulse = 1 N s
Therefore, the impulse on the baseball is 1 N s.
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Consider the differences between a horseshoe magnet and a bar magnet. Is the attraction or repulsion going to be stronger or weaker between two horseshoe magnets or two bar magnets, as shown here? How would that influence the density of magnetic field lines?
Answer and Explanation:
A horseshoe-shaped magnet, that is, a "U" shape, has stronger attraction and repulsion capacities than that presented by a bar-shaped magnet. This is because the lines of the magnetic field on the "U" magnet are more dense and therefore promote a stronger magnetic field. This strong magnetic field exists because in a "U" shaped magnet, the magnetic poles are on the same plane, allowing a better fluctuation of the lines of the magnetic field.
What is the relationship with gravity and distance?
a. As distance increase - gravity increase
b. As distance decrease - gravity decrease
c. As distance increase - gravity decrease
Answer:
a
Explanation:
If the distance increase, the gravity increase
Why is relative dating difficult to perform in California?
a right circular cylinder with a radius of 2.3cm and a height of 1.4cm has a total surface area of
Answer:
6.44pie
Explanation:
[tex]2\pirh[/tex]
someone help pls. Two students, Mia and Peter, leave school to meet at the local coffee shop. Peter decides to jog to the coffee shop, but also stops at a flower shop along the way. Mia decides to walk from school directly to the coffee shop. They arrive at the coffee shop at the same time, 30 minutes after they leave school.
Answer:
1) The distance further it takes Peter to arrive at the Coffee shop than Mia is 1.24 km
2) Mia's average speed is 6.00 km/hour
Peter's average speed is 8.48 km/hour
4) Mia's average velocity = Peter's average velocity = 6.00 km/hour
Explanation:
The given information from the diagram are;
The distance Peter jogs from school to the flower shop = 2.00 km
The distance Peter jogs from the Flower shop to the Coffee shop = 2.24 km.
The distance Mia walks from school directly to the Coffee shop = 3.00 km
The time it takes both Peter and Mia to arrive at the coffee shop = 30 minutes = 0.5 hour
1) The total distance Peter travels from school to the Coffee shop = 2.00 km + 2.24 km = 4.24 km
The distance Mia travels from school to the Coffee shop = 3.00 km
The distance further it takes Peter to arrive at the Coffee shop than Mia = 4.24 km - 3.00 km = 1.24 km
The distance further it takes Peter to arrive at the Coffee shop than Mia = 1.24 km
2) [tex]Average \ speed = \dfrac{Total \ distance \ traveled}{Total \ time \ taken \ in \ the \ journey}[/tex]
[tex]Therefore, \ Mia's \ average \ speed = \dfrac{3.00 \ km}{0.5 \ hour}= 6.00 \ km/hour[/tex]
Mia's average speed = 6.00 km/hour
[tex]Peter's \ average \ speed = \dfrac{4.24 \ km}{0.5 \ hour}= 8.48 \ km/hour[/tex]
Peter's average speed = 8.48 km/hour
4) [tex]Average \ velocicty = \dfrac{Displacement }{Time \ taken}[/tex]
The displacement from the School to the Coffee shop is 3.00 km for both Mia and Peter
The time it takes both Peter and Mia to arrive at the Coffee shop from the school is 30 minutes = 0.5 hour
[tex]Therefore, \ Mia's \ average \ velocity = \dfrac{3.00 \ km}{0.5 \ hour}= 6.00 \ km/hour[/tex]
Mia's average velocity = 6.00 km/hour
[tex]Peter's \ average \ velocity = \dfrac{3.00 \ km}{0.5 \ hour}= 6.00 \ km/hour[/tex]
Therefore, Peter's average velocity is also = 6.00 km/hour
please solve no.g
Anyone!???
Answer:
The answer is already given... it's 31.25 cm
An atom y has 11 eleven protons 12 neutrons what is the number of electrons in it
Answer:
Electrons = 11
Explanation:
The amount of protons is = to the amount of electrons
Ana kicks a stationary 0.2kg soccer ball. The ball leaves her foot at a speed of 20 m/s.
A.What impulse was delivered to the ball?
B. The ball experience 40N of force during the kick. How long were the ball and foot in contact?
Answer:a. 24 kg m/s
b. 3/5s
Explanation:
a.impulse is the change in momentum so at first the momentum is zero because the ball was at rest and the final momentum is 1.2kg*20m/s=24 kg m/s
so the impulse would be (24-0) kg m/s=24 kg m/s
b. so the impulse equation is impulse is force *delts time
so 24 kg m/s=40N*t
t=24 kg m/s /40N=3/5 s
Which two charges of a magnet will attract?
Answer:
The other end is called the south pole. When two magnets are brought together, the opposite poles will attract one another, but the like poles will repel one another. This is similar to electric charges.
Explanation:
Answer: A magnet has two ends called poles the answer are the poles
North pole and South pole
Explanation:
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please help me on this physics, i got confused
Explanation:
this is the answer for your question
Two charged particles held close together are released. As they move, the force on each particle increases. Therefore, the particles have _________.
Question 3 options:
A. Opposite Charges
B. Like Charges
C. No Charge
The two charged particles will have Opposite charge.
What is coulomb's law?
According to Coulomb's law: The magnitude of each of the electric forces with which two point-at-rest charges interact is directly proportional to the product of the magnitude of both charges
And inversely proportional to the square of the distance that separates them and has the direction of the line that joins them.
The formula will be given as:
[tex]F=\dfrac{kq_1q_2}{r^2}[/tex]
If the two charges have the same sign, the electrostatic force between them is repulsive; if they have different signs, the force between them is attractive.
Hence the two charged particles will have Opposite charge.
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The structure of an atom consists of ________.
A.
a proton surrounded by neutrons
B.
a nucleus surrounded by electrons
C.
a nucleus containing protons and electrons
D.
a "cloud" of protons, electrons, and neutrons
Answer:
The correct answer is B. a nucleus surrounded by electrons.
Describe how the sound waves are reflected, absorbed, or transmitted through various materials (liquid, solid, gas).
Answer:
Sound travels more quickly through solids than through liquids and gases because the molecules of a solid are closer together and, therefore, can transmit the vibrations (energy) faster. Sound travels most slowly through gases because the molecules of a gas are farthest apart.
what to do if i am kidnapped right now pls help im screaming pls pls pls alot of points
Answer:
call the police, or scream on the top of ur lungs. and fight for ur life.
Explanation:
Answer:
Try to put your finger prints over EVERYTHING and try to remember EVERY SURROUNDING YOU SEE, try to put strands of your hair all over wherever you are. Try to poison whoever kidnaped you (ik kind of far but STILL). Just please if you actually ARE being kidnapped, SCREAM AND RUN JUST RUN AS FAST AS YOU CAN IF U AREN'T TIED UP OR WHATEVER. :(
A 15 kg soccer ball is kicked with a velocity of 8 m/s, what is the momentum of the ball?
Answer:
120
Explanation:
Momentum = mass * velocity
Mass = 15
Velocity = 8
Momentum = 15*8
Momentum = 120
9. When we see the color of an object it absorbs all of the light colors except? _________________
The color it reflects The color it absorbs White light
it absorbs all ligj colour except black