A cart is initially moving at along a track

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

70. A cart is initially moving at

0.5 \mathrm{~m} / \mathrm{s}

along a track. The cart comes to rest after traveling 1 m . The experiment is repeated on the same track, but now the cart is initially moving at

1 \mathrm{~m} / \mathrm{s}

. How far does the cart travel before coming to rest? (A) 1 m (B) 2 m (C) 3 m (D) 4 m