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(a)
The angle through which a rotating wheel has turned in time t is given by
e(t) = 3.0t* +5.0t-7.0t
where & is in radians and t in seconds. Calculate the
(@)
average angular acceleration between t-2.0 s and t-4.0 s
(1)
instantaneous angular velocity at t= 3.0 s, and
(ii)
11
mstantaneous angular acceleration at t= 3.0 s.

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