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Physics - Rotation Question with Solution | TestHub

PhysicsRotationRotational KinematicsMedium2 minPYQ_2009

PhysicsMediumsingle choice

A wheel has angular acceleration of $3.0 rad / s^{2}$ and an initial angular speed of $2.00 rad / s$ . In a time of 2 s it has rotated through an angle (in radian) of

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Solution:

$θ = ω_{0} t + \frac{1}{2} α t^{2}$ Given, $α = 3.0 rad / s^{2}, ω_{0} = 2.0 rad / s, t = 2 s$ . Hence, $θ = 2 \times 2 + \frac{1}{2} \times 3 \times (2)^{2}$ or $θ = 4 + 6 = 10 rad$

Stream:JIPMERSubject:PhysicsTopic:RotationSubtopic:Rotational Kinematics

⏱ 2mℹ️ Source: PYQ_2009

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