A highly elastic ball moving at a speed of 3 m/s approaches a wall moving towards it with a speed of

A body of mass 20 gm is moving with a certain velocity. It collides with another body of mass 80 gm

Distance of the centre of mass of a solid uniform cone from its vertex is z₀. If the radius of its b

Two particles are shown in figure. At t = 0, a constant force F = 6N starts acting on the 3 kg mass.

Two bodies of mass 3 kg and 5 kg have their centre of mass at origin. If 3 kg is at a distance of 5

Two particles of equal mass have velocities v₁ = 2î ms⁻¹ and v₂ = 2ĵ ms⁻¹. First particle has an acc