A 32g bullet is fired from a rifle at 380 m/s into a water bottle at a pointblank range. The bullet travels completely through the 12 cm long bottle, located 2m above the ground. It finally comes to earth at a point 3m downrange from the point where it left the water. Find:
A) the average force exerted by the water on the bullet.
B) the total time elapsed from when the rifle is fired to when the bullet hits the ground.