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Q. A rectangular barge, 9 m long and 2 m wide, floats in fresh water.Find how much deeper it floats when its load is a 400 kg horse. If the barge can only be pushed 15 cm deeper into the water before water overflows to sink it, how many 400 kg horses can it carry?

Q. Find the acceleration of the crate if the applied force is 380 , the mass of the crate is 32 and the coefficient of kinetic friction is 0.42.

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