A 2.0-kg pistol fires a 1.0-g bullet with a muzzle speed of 1000 m/s. The bullet then strikes a 10-kg wooden block resting on a horizontal frictionless surface. The block and the embedded bullet then slide across the surface.
-What is the kinetic energy of the bullet as it travels toward the block?
A)100 J
B)500 J
C)1000 J
D)5000 J
E)10 000 J

Question

A 2.0-kg pistol fires a 1.0-g bullet with a muzzle speed of 1000 m/s. The bullet then strikes a 10-kg wooden block resting on a horizontal frictionless surface. The block and the embedded bullet then slide across the surface. 
-What is the kinetic energy of the bullet as it travels toward the block?
A)100 J 
B)500 J 
C)1000 J 
D)5000 J 
E)10 000 J

Quizplus · Accepted Answer

The kinetic energy of the bullet is given as 500 J in the problem statement.

A 20-Kg Pistol Fires a 1