A particle in rotating disc covers angle theta= 2t-t^(3)

1.	A particle in rotating disc covers angle theta= 2t-t^(3)
Answer» AVERAGE angular velocity is `2 rad//s` Average angular ACCELERATION during first SECOND is `- 4 rad//s^(2)` Angular acceleration at the end of first second -` 6 rad//s` Average angular acceleration during first second is -`6 rad//s^(2)` Answer :C

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