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February 1, 2015

February 1, 2015

Posted by **David** on Sunday, December 12, 2010 at 11:05pm.

STEPS PLEASE. answer doesnt matter.

- physics -
**drwls**, Monday, December 13, 2010 at 12:51amThe angular frequency of the harmonic motion is

w = sqrt (g/L) radians per second,

and is independent of mass. Calculate it.

This is an accurate approximate formula that is almost always used. The approximation

sin theta = theta

is made in the derivation.

There is a small correction for angles greater than about 15 degrees.

The bob's maximum horizontal deflection from vertical is

A = L sin 8.5 = 0.117 m

The bob's x position is

x = A cos wt

The maximum velocity (at the lowest point) is w *A

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