On a spring block system shown in figure-4.56, a time varying force F=5t N is applied on 2 kg mass. After 10 s, velocity of 3 kg mass is `30 m//sec`. Find velocity of 2 kg mass at this instant.

A bomb of mass 12 kg explodes into two piece of masess 4 kg and 8kg . The velocity of mass 4 kg is 20 m/s . Find the velocity of mass 8 kg

The masses of 10 kg and 20 kg, respectively, are connected by a light spring as shown in the figure. A force of 200 N acts upon the 20 kg mass. At the instant shown, the 10 kg mass the acceleration of 12m//s^(2) . The acceleration of 20 kg mass is

A bomb of mass 12 kg explodes into two pieces of masses 4 kg and 8 kg. The velocity of mass 4 kg is 20 m/s. Find the velocity of mass 8 kg.

Two particles are shown in figure. At t = 0 a constant force F = 6 N starts acting on 3 kg . Find the velocity of circle of mass of these particle at t = 5 s . .

The masses of 10 kg and 20 kg respectively are connected by a massless spring as shown in figure. A force of 200 N acts on the 20 kg mass. At the instant shown, the 10 kg mass has acceleration 12m//sec^(2) . What is the acceleration of 20 kg mass

A block A of mass 10 kg rests on a second block B of mass 8 kg . The coefficients of friction at various surfaces are shown in figure. A horizontal force of 100 N is applied on upper block at t=0 . Determine the velocity of block A relative to block B after 0.01 s of application of force. The system is initially at rest. Express your answer in cm//s . Take g=10 m//s^(2) .

Two blocks of masses 5 kg and 10 kg are connected by a massless spring as shown in the diagram. A force of 100 N acts on 10kg mass as shown. At a certain instant the acceleration of 5 kg mass is 12 m//s^(2) find the force in the spring and acceleration of 10 kg mass.

The masses of 10kig and 20kg respectively are connected by a massless spring as shown in figure. A force of 200N acts on the 20kg mass. At the instant shown, the 10kg mass has acceleration 12m//sec^(2) . What is the acceleration of 20kg mass?

Two blocks of masses 10 kg and 20 kg are connected by a massless spring and are placed on a smooth horizontal surface. A force of 200 N is applied on 20 kg mass as shown in the diagram. At the instant, the acceleration of 10 kg mass is 12ms^(-2) , the acceleration of 20 kg mass is: