Two masses of 1 kg and 2 kg were dropped from a height of 3.2 metres. Their respective velocities just before touching the ground will be: (Assume acceleration due to gravity g=10m/s^2)
A8 m/s and 4 m/s
B3.2 m/s for both
C4 m/s and 8 m/s
D8 m/s for both
