m And so you lose your m, and so you see that y center of mass then becomes the square root of three divided by eight times l.

你失去了，得到了y轴质量中心,成了平方根,3除以8再乘l开方。

youdao

The period, which is 2 pi times the square root of l over g, if you substitute in your length of 5.1 meters, you will find 4.57 seconds.

周期，等于2π,乘以l/g的平方根，如果把长度为5。1米,代入，会得到4。57秒。

youdao

If I make it four times shorter-- l 2 the square root of four is two.

如果缩小4倍-,缩小4倍-，l，four，times，shorter--,4的平方根是。

youdao

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