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Q. 59

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 290

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Short Answer

Ann (mass ) is standing at the left end of a long, cart 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 relative to the cart. How far will Ann have run relative to the ground when she reaches the right end of the cart?

Ann will run relative to the ground when she reaches the right end of the cart

See the step by step solution

Step by Step Solution

Step 1. Given information

Mass of Ann,

Mass of cart,

Velocity of Ann along with cart,

Step 2. Analayze and apply

Ann's velocity relative to ground is,

On applying conservation principle,

Now Ann's velocity is,

Step 3. Calculate

To figure out how far Ann will go in relation to the, we must first determine how long it will take. We have the following:

Now using the distance formula we have,

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