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September 21, 2014

Homework Help: geometry

Posted by anna on Wednesday, March 12, 2008 at 10:26pm.

The force of gravity pulling on an object down a hill is its weight multiplied by the sine of the angle of elevation of the hill.

With how many pounds of force is gravity pulling on a 3000 lb car on a hill will a 3 degree angle of elevation?

What i did:
SIN3=.0523
.0523*3000 = 157 lbs (rounded)

is this correct?

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