Consider the following inelastic collision. Two lumps of matter are moving direc

Question

Consider the following inelastic collision. Two lumps of matter are moving directly toward each other. Each lump has a mass of 0.500 kg. and is moving at a speed of 0.910c. The two lumps collide and stick together. Answer the following questions, keeping in mind that relativistic effects cannot be neglected in this case. What is the final speed, in terms of c, of the combined lump? What is the final mass of the combined lump immediately after the collision, assuming that there has not yet been significant energy loss due to radiation or fragmentation?

Explanation / Answer

If the 2 lumps are moving directly toward each other and have the same mass and speed and the collision is inelastic, then thefinal speed its 0, and the final mass (before losing energy by fragmentation) its the sum ob each mass: 1Kg

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