Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Center of Mass and Linear Momentum Collision and Impulse
A ball, of mass 0.16 kg, strikes a rigid wall with a speed of 18 km/h and is reflected without any change in speed, as shown in figure. The magnitude of impulse imparted to the ball by the wall is
1
0.4 kg m/s
2
0.8 kg m/s
3
1.4 kg m/s
4
More than one of the above
5
None of the above