A point mass having mass M is moving with a velocity V at an angle θ to the wall as shown in the figure. The mass undergoes a perfectly elastic collision with the smooth wall and rebounds. The total change (final minus initial) in the momentum of the mass is

Question

Examsnet · Accepted Answer

Correct Answer is : -2MV sin θ ĵ

GATE Mechanical Engineering (ME) 2016 Shift 2 Solved Paper