A bullet hits a lock kept at rest on a smooth horizontal surface andgets embedded into it. Which of the following does not change?

A bullet hits a lock kept at rest on a smooth horizontal surface and gets embedded into it. Which of the following does not change?

A bullet hits a lock kept at rest on a smooth horizontal surface and gets embedded into it. Which of the following does not change?

A bullet travelling horizontally hits a block kept at rest on a horizontal surface and gets embedded into it, the two together then move with a uniform velocity. Which one of the following conservation laws holds?

. A bullet hits a block at rest on a frictionless horizontal surface and gets embedded into it. The physical quantity associated with the block that remains unchanged is

A solid block is at rest over a smooth horizontal surface. A bullet stuck it and got embedded in it in this process

A moving bullet hits a solid target resting on a frictionless surface and gets embedded in it. What is conserved in this process?

A bullet of mass 5gm is fired horizontally into block of mass 1kg at rest on a horizontal surface and gets embedded in it. The combination moves 5m before coming to rest. If mu_(k)=0.40 , what is the speed with which the bullet strikes the block ?