A rigid ball of mass m strikes a rigid wall at 60º and gets reflected without loss of speed as shown in the figure below. The value of impulse imparted by the wall in the ball will be
$\dfrac{mV}{3}$
mV
2mV
$\dfrac{mV}{2}$
Explanation:
J = 2mV cos 60º = mV
J = 2mV cos 60º = mV