The impulse equals the momentum change. Note that the final momentum is opposite to the initial momentum.
0.36*[21 -(-18)] = _____ kg m/s
A 0.36 kg soccer ball approaches a player
horizontally with a velocity of 18 m/s to the
north. The player strikes the ball and causes
it to move in the opposite direction with a
velocity of 21 m/s.
What impulse was delivered to the ball by
the player?
Answer in units of kg · m/s
2 answers
The angular velocity of a body Rotating with an acceleration of 2rev/s² as it completes the 5th revolution
6 answers