Question: A string pulls horizontally on a cart so that it moves at increasing speed along a smooth horizontal surface. When the cart is moving medium-fast,

A string pulls horizontally on a cart so that it moves at increasing speed along a smooth horizontal surface. When the cart is moving medium-fast, the pulling is stopped abruptly. (a) Describe in words what happens to the cant's motion when the pulling stops. (b) Illustrate your description with motion diagrams, force diagrams, and position-versus-time and velocity. versus-time graphs. Indicate on the graphs when the pulling stopped. What assumptions did you make?

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