A Rugby Union Player with a Mass of 90 Kg

Multiple Choice

A rugby union player with a mass of 90 kg leaves the ground in preparation for a line out with a vertical velocity of 2.3 m/s. What is his vertical momentum at (i) the instant of take off, and (ii) the highest point of his jump.

A) 0 & 207 kg·m/s
B) 0 & 92.3 kg·m/s
C) 92.3 & 0 kg·m/s
D) 207 & 207 kg·m/s
E) 207 & 0 kg·m/s