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A cart loaded with sand moves along a horizontal floor due to constant force F, coinciding in direciton with the velocity of cart. In the process the sand spills through a hole in the bottom with a constant rate mu kgs^(-1). If at the initial moment t = 0 the cart with loaded sand has the mass m_(0) and its velocity was equal to zero (beglect friction). Then |
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Answer» the acceleration of the cart at time t is `(F)/(m_(0)-mu t)` |
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