Physics

Problem

A stationary cart is pushed by a horizontal force that rises uniformly from

0\,\text N

t=0

12\,\text N

t=0.25\,\text s

and then instantly becomes zero. Immediately after the force ends, the cart’s speed is measured to be

1.6\,\text{m\,s}^{-1}

. Determine the mass of the cart.