Two bodies of mass `m_(1) = 1kg` and `m_(2) = 2kg` move towards each other in mutually perpendicular directions at velocities `v_(1) = 3m//s` and `v_(2) = 2m//s` (Fig). As a result of collision, the bodies stick together. Determine the amount of heat Q liberated as a result of collisions.

Two bodies of masses 1 kg and 2 kg are moving in two perpendicular direction with velocities 1 m//s and 2 m//s as shown in figure. The velocity of the centre of mass (in magnitide) of the system will be :

Two bodies of masses 0.1 kg and 0.4 kg move towards each other with the velocities 1 m/s and 0.1 m/s respectively, After collision they stick together. In 10 sec the combined mass travels

A uniform rod of mass m=2kg and length l=0.5m is sliding along two mutually perpendicular smooth walls with the two ends P and Q having velocities U_(P)=4m//s and v_(Q)=3m//s as shown then

Two blocks, with masses m_(1) 2.5 kg and m_(2) = 14 kg , approach each other along a horizontal, frictionless track, The initial velocities of the blocks are v_(1) = 12.0 m//s to the right an d v_(2) = 3.4 m//s to the left. The two blocks then collide and stick together. Which of the graph could represent the force of block 1 on block 2 during the collision ?

Find the loss of KE of the two particles of mass m_(1)=3 kg & m_(2)=6 kg , moving towards each other with speed u_(1)=5 m//s, u_(2)=10 m//s respectively. The coefficient of restitution of collision of the particles is e = 0.5.

Two blocks of masses m_(1)= 2 kg and m_(2) = 4 kg are moving in the same direction with speeds v_(1) = 6 m//s and v_(2) = 3 m//s , respectively on a frictionless surface as shown in the figure. An ideal spring with spring constant k = 30000 N//m is attached to the back side of m_(2) . Then the maximum compression of the spring after collision will be

A body of mass 3 kg moving with a velocity of 4 m//s towards left collides head on with a body of mass 4 kg moving in opposite direction with a velocity of 3 m//s . After collision the two bodies stick together and move with a common velocity which is

Two bodies of masses m_(1) and m_(2) are moving with velocities 1 ms^(-1) and 3ms^(-1) respectively in opposite directions. If the bodies undergo one dimensional elastic collision, the body of mass m_(1) comes to rest. Find the ration of m_(1) and m_(2) .

A mass of 20 kg moving with a speed of 10 m / s collides with another stationary mass of . 5kg As a result of the collision, the two masses stick together. The kinetic energy of the composite mass will be