Example 1: A fan is rotating at 90 rpm.
It is then switched OFF. It stops after 21
revolution...
![Physics](/tpl/images/cats/fizika.png)
Physics, 02.10.2020 15:01, shaylawaldo11
Example 1: A fan is rotating at 90 rpm.
It is then switched OFF. It stops after 21
revolutions. Calculate the time taken by it
to stop assuming that the frictional torque
is constant.
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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