idontknow1993
13.12.2019 •
Physics
Agrinding wheel is spinning with an initial angular velocity +ω0. when its motor is turned off at t=0, it begins to slow down with an angular acceleration −α. derive an expression for the number of revolutions that the wheel will rotate through before coming to rest. express your answer in terms of the variables ω0 and α, and the constant π.
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Ответ:
Explanation:
Given
initial angular velocity is
when motor is turned of it started decelerating with angular acceleration
angle turned before coming to halt
here final angular velocity is zero
No of revolutions will be
Ответ:
motion of electrons
explanation: