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Solve the all given parts of following question:

Question: A 20 kg cart is at rest when begins to push the cart. The cart accelerates for 5 s and a person then the person stops pushing. Ten seconds later and 12 meters from the point at which the person stopped pushing, the cart comes to rest.

Part A: What was the velocity at the end of the first 5 s?

Part B: What is the magnitude of the friction force on the cart?

Part C: What force did the person apply during the first 5 s?

I need help to determine the magnitude of the friction force on the cart.

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Category:- Physics
Reference No.:- M91249162

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