A 441 gm bullet strikes an d becomes embedded in a 1.54 kg block of wood placed on a
Channel: Doubtnut
Date: 2020-08-30

A 441 gm bullet strikes an d becomes embedded in a 1.54 kg block of wood placed on a horizonatal surface just in front of the gun. If the coefcient of kinetic friction between the block and the surface is 0.28, and the impact drives the block a distance of 18 m before it comes to rest, what was the muzzle speed of the bullet ?