Physics Questions!?
2015-04-10 11:46 pm
What is the length of a pendulum whose period on the moon matches the period of a 1.6-m-long pendulum on the earth?
回答 (1)
2015-04-12 3:51 pm
Period t= 2 pi sqrt(L/g).
Define L1 is the length on the earth, g1 is the gravitational acceleration of Earth. Similarly for mo0n. Periods are the same. Therefore,
sqrt(L1/g1) =sqrt(L2/g2),
This gives,
L2 = g2/g1 L1. If we know the ratio, then we know L2. Please calculate.
Define L1 is the length on the earth, g1 is the gravitational acceleration of Earth. Similarly for mo0n. Periods are the same. Therefore,
sqrt(L1/g1) =sqrt(L2/g2),
This gives,
L2 = g2/g1 L1. If we know the ratio, then we know L2. Please calculate.
收錄日期: 2021-04-21 01:37:59
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