A cart loaded with sand slides forward along a horizontal frictionless track. As the cart moves,...

 

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A cart loaded with sand slides forward along a horizontal frictionless track. As the cart moves, sand trickles out at a constant rate through a hole in the back of the cart. The acceleration of the cart is: A. constant and in the forward direction B. constant and in the backward direction C. variable and in the forward direction D. variable and in the backward direction E. zero A cart loaded with sand slides forward along a horizontal frictionless track. As the cart moves, sand trickles out at a constant rate through a hole in the back of the cart. The acceleration of the cart is: A. constant and in the forward direction B. constant and in the backward direction C. variable and in the forward direction D. variable and in the backward direction E. zero

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This problem involves the principle of conservation of momentum In a frictionless environment if no external forces are acting on a system the total m... View the full answer