A 175 kg cart is moving with a velocity of 765 ms down a, Ask an Expert

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A 17.5 kg cart is moving with a velocity of 7.65 m/s down a level hallway. A constant force of -10.0 N acts on the cart, and its velocity becomes 3.20 m/s. Assume that air resistance is negligible.

(a) What is the change in kinetic energy of the cart?

(b) How much work was done on the cart?

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