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Wednesday, 11 January 2017



1. Describe how the ball rolls off the ramp at each height -- discus the effect of bouncing or other factors.
ans: It bouncing for 2-3 times then it roll to other side.

2. Discus what is the fastest speed reached and any factors that could improve this.
ans: The ball using 20 cm ramp is the fastest because other ramp is too tall so when the ball release using tall ramp it will hit the ground.

3.Does the ball travel in a straight line, why and why not?
ans: Sometimes the ball travel tilted because the person who release the ball, release it tilted.

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