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Original Question
How far to the nearest tenth of a meter can a runner running at 15 m/s run in the time it takes a rock to fall from rest 76 met...Asked by Jason
how far to the nearest tenth of a meter can a runner running at 7.9 m/s run in the time it takes a rock to fall from rest 65 meters?
Answers
Answered by
drwls
First compute the time to fall:
T = sqrt(2H/g).
You should get between 3 and 4 secinds.
Then multiply T by 7.9 m/s.
T = sqrt(2H/g).
You should get between 3 and 4 secinds.
Then multiply T by 7.9 m/s.
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