Question

A 3.45-g bullet embeds itself in a 1.37-kg block, which is attached to a spring of force constant 785 N/m. Part A: If the maximum compression of the spring is 5.88 cm, find the initial speed of the bullet. Part B: Find the time for the bullet-block system to come to rest.

Answer 1

Refer to the photo attached. Let me know if it works out for you :)

Answer: 787 m/s & 0.0589s