f.4,,,phys,,mechanics
2008-09-26 5:07 am
A snooker player uses his cue to strike a billiard ball. If the contct time between the cue and the ball is 0.08s and the ball reaches a final speed of 1ms^-1, find the average acceleration involved.
回答 (1)
2008-09-26 5:10 am
✔ 最佳答案
Average acceleration= Change of velocity / Time of contact
= (1 - 0) / 0.08
= 12.5 ms-2
參考: Myself~~~
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