A wheel starting from rest is uniformly accelerated at $4 r a d / s^{2}$ for $10$ seconds. It is allowed to rotate uniformly for the next $10$ seconds and is finally brought to rest I the next $10$ seconds. Find the total angle rotated by the wheel.

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Solution

$\begin{matrix} θ = A r e a = \frac{1}{2} \times (30 + 10) \times 40 = 800 r a d . \end{matrix}$

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A wheel starting from rest is uniformly accelerated at 4rad/s2 for 10 seconds. It is allowed to rotate uniformly for the next 10 seconds and is finally brought to rest I the next 10 seconds. Find the total angle rotated by the wheel.

θ=Area=12×(30+10)×40=800rad.

A wheel starting from rest is uniformly accelerated at $4 r a d / s^{2}$ for $10$ seconds. It is allowed to rotate uniformly for the next $10$ seconds and is finally brought to rest I the next $10$ seconds. Find the total angle rotated by the wheel.

$\begin{matrix} θ = A r e a = \frac{1}{2} \times (30 + 10) \times 40 = 800 r a d . \end{matrix}$