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geniusboy [140]
3 years ago
12

Suppose you are asked to find the amount of time t, in seconds, it takes for the turntable to reach its final rotational speed.

Which of the following equations could you use to directly solve for the numerical value of t?
Physics
1 answer:
Inga [223]3 years ago
5 0

Answer:

it will take t=\frac{\omega -\omega _0}{\alpha } to reach its final rotating speed

Explanation:

Let initially the turntable is at rest

So its initial angular velocity will be \omega _0=0rad/sec

Let the turn table is rotating with an angular acceleration \alpha

According to first equation of motion

We know that \omega =\omega _0+\alpha t , here \omega

So t=\frac{\omega -\omega _0}{\alpha }

So it will take t=\frac{\omega -\omega _0}{\alpha } to reach its final rotating speed

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