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Question

a dentists drill starts from rest. after 5.39 seconds of constant angular accleration, it is rotating at a rate of 2.85E4 rpm.

through what angle did it rotate in the process?

(i just don't know what formula to use)
18 years ago

Answers

bobpursley
Theta= wi*time + 1/2 angaccel*time^2
18 years ago

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