11. Momentum & Impulse
Intro to Impulse
11. Momentum & Impulse
Intro to Impulse
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- Multiple Choice
You throw a 100-g ball with 30m/s. If the ball is in your hand for 0.2s during the throw, a) calculate the impulse
you deliver to it. b) Calculate the average Force that you exert on the ball.
- Multiple Choice
You catch a 0.6 kg ball initially moving with 10 m/s. Calculate the impulse delivered to the ball during the catch.
- Multiple ChoiceYou deliver an impulse to a ball of over a period of 0.21 s. What average force did you apply to the ball?
- Open QuestionTo warm up for a match, a tennis player hits the 57.0-g ball vertically with her racket. If the ball is stationary just before it is hit and goes 5.50 m high, what impulse did she impart to it?
- Open QuestionINT A 550 g cart is released from rest on a frictionless, 30° ramp, 120 cm from the bottom of the ramp. It rolls down, bounces off a rubber block at the bottom, and then rolls 80 cm back up the ramp. A high-speed video shows that the cart was in contact with the rubber block for 25 ms. What was the average force exerted on the cart by the block?
- Open Question
(II) A 95-kg fullback is running at 3.0 m/s to the east and is stopped in 0.75 s by a head-on tackle by a tackler running due west. Calculate
(c) the impulse exerted on the tackler.
- Open Question
(II) A 95-kg fullback is running at 3.0 m/s to the east and is stopped in 0.75 s by a head-on tackle by a tackler running due west. Calculate
(d) the average force exerted on the tackler.