일반물리학 1 — Center of Mass and Linear Momentum: Problem 25

25 A 5.00 g bullet moving at 100 m/s strikes a log. Assume that the bullet undergoes a uniform deceleration and stops after penetrating 6.00 cm. Find (a) the time taken by the bullet to stop, (b) the impulse on the log, and (c) the magnitude of the average force experienced by the log.