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Chapter 11: Q. 4 (page 286)

A 0.2 kg plastic cart and a 20 kg lead cart can both roll without friction on a horizontal surface. Equal forces are used to push both carts forward for a time of 1 s, starting from rest. After the force is removed at t = 1 s, is the momentum of the plastic cart greater than, less than, or equal to the momentum of the lead cart? Explain

Short Answer

Expert verified

equal.

Step by step solution

01

Given information

We have given that

We need to find that

02

Simplify

fill

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Most popular questions from this chapter

A 100 g ball moving to the right at 4.0 m/s collides head-on with a 200 g ball that is moving to the left at 3.0 m/s.

a. If the collision is perfectly elastic, what are the speed and direction of each ball after the collision?

b. If the collision is perfectly inelastic, what are the speed and direction of the combined balls after the collision?

A 0.2kgplastic cart and a 20kglead cart can both roll without friction on a horizontal surface. Equal forces are used to push both carts forward for a time of 1s, starting from rest. After the force is removed at t=1s, is the momentum of the plastic cart greater than, less than, or equal to the momentum of the lead cart? Explain.

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Ann (mass 50kg) is standing at the left end of a 15mlong, 500kgcart that has frictionless wheels and rolls on a frictionless track. Initially, both Ann and the cart are at rest. Suddenly, Ann starts running along with the cart at a speed of 5.0m/srelative to the cart. How far will Ann have run relative to the ground when she reaches the right end of the cart?

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