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 )
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 blocks of masses 5 kg and 2 kg are placed on a frictionless surface and connected by a spring. An external kick gives a velocity of 14 m//s to the heavier block in the direction of lighter one. The magnitudes of velocities of two blocks in the centre of mass frame after the kick are, respectively,
A solid cylinder is rolling without slipping with velocity of its centre of mass v and angular velocity about its centre of mass omega on a horizontal frictionless surface as shown in figure. If it collides with a frictionless vertical wall X , then after collision its velocity and angular velocity respectively become
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 .
Two small spheres A & B respectively of mass m & 2m are connected by a rigid rod of length l & negligible mass. The two spheres are resting on a horizontal, frictionless surface. When A is suddenly given the velocity v_(0) as shown. Find velocities of A & B after the rod has rotated through 180^(@) .
Figure shows two blocks of masses 5 kg and 2 kg placed on a frictionless surface and connected with a spring. An external kick gives a velocity of 14 m//s to the heavier block in the direction of lighter one. Deduce (a) velocity gained by the centre of mass and (b) the separate velocities of the two blocks in the centre of mass coordinates just after the kick.
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