A cart starts from rest on a horizontal track

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

2.0\,\text{kg}

cart starts from rest on a horizontal track. A horizontal force on the cart increases uniformly from

0\,\text N

t=0

10\,\text N

t=0.50\,\text s

, after which the force drops instantly to zero. Determine the cart’s speed just after

t=0.50\,\text s