When a force IN acts on 1kg mass at rest for 1s, its final momentum is P. When IN force acts on 1kg mass at rest through a distance lm, its final momentum is P1. The ratio of P to P1 is

Options

A. `1 : 1`
B. `1 : 2`
C. `1 : 4`
D. `1 : sqrt(2)`

Answer

B