__A simple pendulum of length / has an energy E, when its amplitude is A. If the length of pendulum is doubled, the energy will be__

__A simple pendulum of length / has an energy E, when its amplitude is

1.	__A simple pendulum of length / has an energy E, when its amplitude is A. If the length of pendulum is doubled, the energy will be__
A.	E
B.	E/2
C.	2E
D.	4E
Answer» C. 2E

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__A simple pendulum of length / has an energy E, when its amplitude is A. If the length of pendulum is doubled, the energy will be__

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A simple pendulum of length / has an energy E, when its amplitude is A. If the length of pendulum is doubled, the energy will be