CAPE Physics Unit 1 · 2012 · Paper 1 · Question Q10

A force of 200\text{ N} acts on a trolley of mass 2\text{ kg} causing it to move off from rest and reach a speed of 14\text{ m s}^{-1}. The rate of change of momentum of the trolley is

1. (A)28\text{ kg m s}^{-2}
2. (B)100\text{ kg m s}^{-2}
3. (C)200\text{ kg m s}^{-2}
4. (D)2\ 800\text{ kg m s}^{-2}