Consider a bullet of mass 200 g traveling horizontally towards the east with a speed of 400 m/s. It strikes a block of mass 1.5 kg that is initially at rest on a frictionless table. After striking the block, the bullet is embedded in the block, and the block and the bullet move together as one unit. (a) What is the magnitude and direction of the velocity of the block/bullet combination immediately after the impact? (b) What is the magnitude and direction of the impulse by the block on the bullet? (c) If it took t = 3 ms for the bullet to change the speed from 400 m/s to the final speed after impact, what is the average force between the block and the bullet during this time?
Consider a bullet of mass 200 g traveling horizontally towards the east with a speed
of 400 m/s. It strikes a block of mass 1.5 kg that is initially at rest on a frictionless
table. After striking the block, the bullet is embedded in the block, and the block
and the bullet move together as one unit.
(a) What is the magnitude and direction of the velocity of the block/bullet combination immediately after the impact?
(b) What is the magnitude and direction of the impulse by the block on the bullet?
(c) If it took t = 3 ms for the bullet to change the speed from 400 m/s to the
final speed after impact, what is the average force between the block and the
bullet during this time?.
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