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Physics - SHM Question with Solution | TestHub

PhysicsSHMMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

A pendulum of length $1 m$ is released from $θ = 60 °$ . The rate of change of speed of the bob, at $θ = 30 °$ , is ( $g = 10 m s^{- 2}$ )

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Answer:

Solution:

When the string makes an angle of $30 °$ with the vertical, the component of weight produces the tangential acceleration which is the rate of change of speed

$a_{t} = g \sin 30 ° = 5 m s^{- 2}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:SHMSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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