A pendulum bob swings along a circular path on a smooth inclined plane as shown in figure, where...

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A pendulum bob swings along a circular path on a smooth inclined plane as shown in figure, where \( m=3 \mathrm{~kg}, l=0.75 \mathrm{~m} \), \( \theta=37^{\circ} \). At the lowest point of the circle the tension in the string is \( T=274 \mathrm{~N} \). Take \( g=10 \mathrm{~m} \mathrm{~s}^{-2} \).
The speed of the bob at the lowest point is
(1) \( 9.2 \mathrm{~ms}^{-1} \)
(2) \( 9 \mathrm{~ms}^{-1} \)
(3) \( 6.5 \mathrm{~m} \mathrm{~s}^{-1} \)
(4) \( 8 \mathrm{~m} \mathrm{~s}^{-1} \)
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