Question

A bullet of 50 gram strike with velocity 600m/sec. After collision its velocity is 150m/sec find the spent energy

Answer 1

Mass of bullet m= 50 g

=0.05 kg

Spent energy= initial ke-final ke

=1/2m(600^2-150^2)

=1/2× 0.05×(360000-22500)

=8437.5J