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## a wheel has a constant angular acceleration of 3.0 rad/s2. during a certain 4.0s interval it turns through an angle of 120 rad. assuming tha

Question

a wheel has a constant angular acceleration of 3.0 rad/s2. during a certain 4.0s interval it turns through an angle of 120 rad. assuming that the wheel started from rest, how long has it been in motion at the start of this 4 s interval

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Physics
3 years
2021-08-23T13:22:24+00:00
2021-08-23T13:22:24+00:00 1 Answers
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## Answers ( )

Answer:8 sExplanation:We are given that

Acceleration=

Time, t=4 s

Angle,

Initial angular velocity,

Let be the velocity at the start of this 4 s interval

We know that

Using the formula

t=8 s