A Cart Loaded with Sand Slides Forward Along a Horizontal

question 92

Multiple Choice

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