Year: 2016
Topic: Laws of motion
Time :
1. A rigid ball of mass m strikes a rigid w all at 60° and gets reflected without loss of speed as shown in the figure. The value of impulse imparted by the wall on the ball will be
(1). \(mV\)
(2). \(2 mV\)
(3). \(\frac{mV}{2}\)
(4). \(\frac{mV}{3}\)
