Q.
What is the velocity of the bob of a simple pendulum at its mean position, if it is able to rise to vertical height of 10 cm (Take g=9.8 m/s2)
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a
0.6 m/s
b
1.4 m/s
c
1.8 m/s
d
2.2 m/s
answer is B.
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Detailed Solution
v=2gh=2×9.8×0.1=1.96=1.4 m/s
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