Wednesday
October 22, 2014

Homework Help: physics

Posted by jo on Wednesday, October 20, 2010 at 12:37am.

1.)The apparent weight of a passenger in an elevator is greater than his true weight? Why is that?

2.) The radius of larger circle is twice that of a small circle. Two identical stones are attached to cords that are being whirled on a table top at the same speed. How would the tension in the longer cord related to the tension in the shorter cord be? Would it be equal?

3.) Two identical satellites are in orbbit about the earth. One orbit has a radius r, and the other 2r. the centripetal force on the satellite in the large orbit is what? is it "one fourth as great?"

Please answer these, thanks!

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