A bullet of mass 10gm moving with a speed of 500 m/s gets embedded in a tree after penetrating 5cm into it. Calculate the average retarding force exerted by the wood on the bullet and the work done by the wood in bringing the bullet to stop.

A bullet of mass 10gm moving with a speed of 500 m/s gets embedded in

1.	A bullet of mass 10gm moving with a speed of 500 m/s gets embedded in a tree after penetrating 5cm into it. Calculate the average retarding force exerted by the wood on the bullet and the work done by the wood in bringing the bullet to stop.
A.	25 N, 12.50 joule
B.	250 N, 1250 joule
C.	25 KN, 1.250 joule
D.	25 KN, 1250 joule
Answer» E.