Two men `A` and `B` of masses `50kg` and `20g` respectively are at rest on a frictionless surface as shown in figure. If `A` pushes `B` with relative velocity `0.7m//s` then find velocity of `A` just after the push.

Two block A and B of mass 50 kg and 300 kg respectively are placed as shown in figure. Coefficient of friction between all surface is (1)/(2) Then (take g = 10 m//s )

Two block A and B of mass 50 kg and 300 kg respectively are placed as shown in figure. Coefficient of friction between all surface is (1)/(2) Then (take g = 10 m//s )

A loaded spring gun, initially at rest on a horizontal frictionless surface fires a marble of mass m at an angle of elecation theta , then velocity of the gun just after the firing is :

Two balls of masses 2 kg and 4 kg are moved towards each other with velocities 4m//s and 2m//s , respectively, on a frictionless surface. After colliding, the 2kg ball returns back with velocity 2m//s . then find a. velocity of the 4 kg after collision b. coefficient of restitution e, c. impulse of deformation J_(D) d. maximum potential energy of deformation, e. impulse of reformation J_(R)

Two balls of masses 2 kg and 4 kg are moved towards each other with velocities 4m//s and 2m//s , respectively, on a frictionless surface. After colliding, the 2kg ball returns back with velocity 2m//s . then find a. velocity of the 4 kg after collision b. coefficient of restitution e, c. impulse of deformation J_(D) d. maximum potential energy of deformation, e. impulse of reformation J_(R)

A rod of length L is sliding on a frictionless surface as shown in the figure. Velocity of end A is 4m//s along the wall. Find the velocity of end B, when end B makes 30^(@) with wall PQ.

A rod of length L is sliding on a frictionless surface as shown in the figure. Velocity of end A is 4m//s along the wall. Find the velocity of end B, when end B makes 30^(@) with wall PQ.

A particle is placed at the point A of a frictionless track ABC as shown in figure. It is pushed slightly towards right. Find its speed when it reches the point B. Take g=10 m/s^2 .