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Physics - SHM Question with Solution | TestHub

PhysicsSHMOscillations and SHMMedium2 min

PhysicsMediumnumerical

A pendulum bob of mass 0.3 kg has kinetic energy $K$ plotted against $θ$ : $K_{ma x} = 24$ mJ at $θ = 0$ and $K = 0$ at $θ = \pm 0.2$ rad. Find the length, in m ( $g = 10$ ).

Answer:

0.40

Solution:

$l = \frac{2 K _{ma x}}{m g θ _{0}^{2}} = \frac{0.048}{0.3 \times 10 \times 0.04} = 0.4$ m.

Subject:PhysicsTopic:SHMSubtopic:Oscillations and SHM

⏱ 2m

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