Question

A bullet of mass 0.01kg is fired horizontally into a wooden block at rest on horizontal surface . the coefficient of friction between block and surface is 0.25 the bullet get embedded in block and combination move 20m before coming to rest .with what speed did bullet strike the block??

Answer 1

Answer:

$(0.01 + m)(10) \div (0.01)$

Explanation:

Refer to the material.