engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Physics Center of Mass and Linear Momentum Momentum and Kinetic Energy in Collisions
A spherical body of mass 100 g is dropped from a height of 10 m from the ground. After hitting the ground, the body rebounds to a height of 5 m. The impulse of force imparted by the ground to the body is given by : (given g = 9.8 m/s2)
1
4.32 kg ms-1
2
43.2 kg ms-1
3
23.9 kg ms-1
4
2.39 kg ms-1