# Question #e7a66

##### 1 Answer

Feb 27, 2017

The length is

#### Explanation:

The period of a simple pendulum is

Period

Length

Therefore,

In the first case, we have

In the second case,

So,

Feb 27, 2017

The length is

The period of a simple pendulum is

Period

Length

Therefore,

In the first case, we have

In the second case,

So,

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