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)
through what angle did it rotate in the process?
(i just don't know what formula to use)
Answers
bobpursley
Theta= wi*time + 1/2 angaccel*time^2