Question

A bullet moving at a speed of 200m/s strikes a bag of sand and remains in it mass of bullet &sand bag are0.5kg and 4.5kg respectively. If tge bag is free to move calculate speed of sand bag

Answer 1

Answer:

velocity after impact will be 20√10 m/s

Explanation:

in the above picture I've taken object at ground frame so as to eliminate the case of potential energy and also considered their is no air resistance in oppose of it.

hope it'll help :)