Solved: PHYSICS Question for NEET

NEET PHYSICSEasy

The angular speed of a flywheel making 120 revolutions/minute is:

2\pi rad/s

4\pi ^2 rad/s

\pi rad/s

4\pi rad/s

Identify Frequency: The flywheel makes 120 revolutions per minute. The frequency ( $v$ ) in revolutions per second is: $v = \frac{120}{60} = 2 \text{ rev/s}$ .
Formula: The angular speed ( $\omega$ ) is related to the frequency ( $v$ ) by the formula: $\omega = 2\pi v$ .
Calculation: Substituting the value of $v$ : $\omega = 2\pi(2) = 4\pi \text{ rad/s}$ .

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