Question
Asked Dec 19, 2019
40 views

A car has the same kinetic energy when travelling north as when it turns around and travels south. Is the momentum of car same in both cases?

check_circle

Expert Answer

Step 1

Let, Kinetic energy = E

Kinetic energy in north = kinetic energy in south = E

Step 2

Relation between the kinetic energy and the momentum can be given as

help_outline

Image Transcriptionclose

PN (K.E.), 2m 2m(K.E.) Py = Py = V2ME.(1) (K.E.), 2m(K.E.); Ps = Ps = V2ME.…...(2)

fullscreen
Step 3

From equation (1...

help_outline

Image Transcriptionclose

PN = Ps

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Physics

Work,Power and Energy

Related Physics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: Which of either has greater momentum: a 1kg ball moving at 2m/s or a 2-kg ball moving at 1m/s? Which...

A: Click to see the answer

question_answer

Q: Monochromatic light of wavelength l is incident on a pair of slits separated by 2.40 3 1024 m, and f...

A: As per our guidelines we provide solution of only first 3 subpart, if you need the solution of remai...

question_answer

Q: An electron is fired at a speed vo = 5.6 x 10° m/s and at an angle 6, = -45° between two parallel co...

A: a)the kinetic energy of an electron will be equal to the work done to move the distance.the distance...

question_answer

Q: 4. A wire lies on the z axis plane on the positive y axis and has a length L (one end is at z = 0 an...

A: Linear charge density is λ and limits are z=0 and z=L

question_answer

Q: Two blocks collide on a frictionless surface. Afterthe collision, the blocks stick together. Block A...

A: Since, there is a question with multiple sub-parts posted by you, we will solve the first three sub-...

question_answer

Q: A spaceship at rest relative to a nearby star in interplanetaryspace has a total mass of 2.50 x 104 ...

A: a). Formula to calculate acceleration at time zero seconds is,

question_answer

Q: A 0.30-kg puck, initially at rest on a frictionless horizontal surface,is struck by a 0.20-kg puck t...

A: (a)According to the conservation of linear momentum along x axis of the puck,Substitute the values,

question_answer

Q: What is the adiabatic form of first law?

A: Click to see the answer

question_answer

Q: A 3.00-kg steel ballstrikes a massive wall at10.0 m/s at an angle ofθ = 60.0° with the plane ofthe w...

A: The average force acting along the y direction is