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igcse physics notesprinted 39 · PDF 39
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printed 39 · PDF 39
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Aitchison College Academic Resources.
QUESTION:3
A ball has a mass of 0.30kg. It moves horizontally with a speed of 3.0m/s in the direction shown.
The ball hits a wall.
wall wall
ball ball
3.0m/s 2.0m/s
before hitting the wall after hitting the wall
The ball rebounds from the wall with a horizontal speed of 2.0m/s.
What is the change in momentum of the ball?
A 030kgm/s B 1.0kgm/s Cc 15kgm/s D 5.0kgm/s
QUESTION:4
A ball with 3.0N force hitting on a wall, and have contact with the wall for 2minutes.
Calculate the impulse.
A6.0Nm B 360Ns C6.0Ns D 0.025N/s
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