Question Answers

Sahay Sir > Question Answers > MTG NEET Physics > Part 1 > Chapter 8 - COM, Momentum and Collision > A car of mass 400 kg travelling at 72 kmh crashes a truck of mass 4000 kg and travelling at 9 kmh in the same direction. The car bounces back with a speed of 18 kmh. The speed of the truck after the impact is

A car of mass 400 kg travelling at 72 kmh crashes a truck of mass 4000 kg and travelling at 9 kmh in the same direction. The car bounces back with a speed of 18 kmh. The speed of the truck after the impact is

A sphere of mass m moving with a constant velocity u hits another stationary sphere of the same mass and of coefficient of restitution (e). The ratio of velocities of the two spheres after collision will be