Question

A bullet of mass 10g moving with a speed 200m/s hits wooden block hanged by a lite wire and raises it to height 2m find mass of the wooden block [bullet get embedded in the block ] [g=10ms-2]

Answer 1

Answer:

again change in kinetic energy = mgh

1/2 mv2=m10×2

v2=40

so.....

Pi=Pf

mv=mv

0.01kg×200/40=v

v=100g

mark me brainliest