Question

a bullet of 5g travelling at speed of 100 m/a penetrates a wooden block up to 6.0 cm .the avg force applied by the bullet is?​

Answer 1

u=100 m/s, v=0, s=0.06 m

Rtardation =a=u22s=(100)22×0.06=1×10512

∴ Force =ma=5×10−3×1×10512=500012=417 N

The answer is 417 N