Two identical `5 kg` blocks are moving with same speed of `2 m//s` towards each other along a frictionless horizontal surface . The two blocks collide , stick together and come to rest. Consider the two blocks as a system . The work done by the external and ijnternal force are respectively:

Two identical 5kg blocks are moving with same speed of 2ms^-1 towards each other along a frictionless horizontal surface. The two blocks collide, stick together, and come to rest. Consider the two blocks as a system. The works done by external and internal forces are, respectively,

Two identical 5kg blocks are moving with same speed of 2ms^-1 towards each other along a frictionless horizontal surface. The two blocks collide, stick together, and come to rest. Consider the two blocks as a system. The works done by external and internal forces are, respectively,

Two identical 5 kg blocks are moving with same speed of 2 m s^-1 towards each other along a frictionless horizontal surrface.the two blocks collide,stick together and come to rest.Consider the two blocks as a system.The work done by external and internal forces are respectively:

Two identical 5 kg blocks are moving with same speed of 2m//s towards eachother along a frictionless horizontal surface. The two blocks collide, stick together and come to rest. Consider the two blocks as a system. Caluculate work done by (i) external forces (ii) internal forces.

Two identical bodies of mass 4 kg each are approaching each other with a speed of 3 m/s , on a frictionless horizontal surface . When the two bodies collide , they stick together and come to rest . Calculate the work done by the external forces and internal forces on the system of blocks .

(a) Can a body with negative energy have momentum ? (b) Two bodies having identical masses of 2 kg are moving towards each ther with same speed of 3 m/s along frictionless horizontal surface . The bodies stick together and come to rest . calculate the work done by external and internal forces on combined system of these two bodies . (c ) Can a body have energy without momentum ?