Question

1. A 0.25 kg arrow with a velocity of 0.15 cm/s to the east strikes and pierces the bull’s eye of a 7000-g target. What is the common velocity of the combined mass?

2. A 500-g ball traveling with a velocity of 5m/s strikes a vertical wall and rebounds with a velocity of 4m/s. Find the chance in the momentum of the ball and the impulse of the collision.

Answer 1

Answer:

45

Explanation: