A) increase
B) decrease
C) remain same
D) increase if the child is long and decrease if the child is short
Correct Answer: B
Solution :
As the girl stands up, the effective length of pendulum decreases due to the reason that the centre of gravity rises up so, according to \[T=2\pi \sqrt{\frac{l}{g}}\]T will decrease.You need to login to perform this action.
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