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AP Physics B - Circular Motion

Cade · 2007-11-11T19:22:10Z

Haha, so Colly has failed a physics test because the physics department decided to make all the questions in variable form instead of using real numbers. Fortunately, her wonderful physics teacher gives back points for test corrections. Please help? http://i210.photobucket.com/albums/bb160/dosbob/Q10.jpg Here's this object going around in a circle on a string. When the string snaps, the object has speed Vo and the circular path has radius R and height h above the ground. Determine the following. Express all answers in terms of h, Vo (that's initial velocity), and g. 1) Time required for object to hit ground. 2) Horizontal distance the object travels from the time the string breaks until it hits the ground. 3) Speed of the object just before it hits the ground. (All we're supposed to do here is write appropriate force equations. 4) Determine tension in the string just before it breaks. Express answer in terms of M (mass of object), R, Vo, and g. As added incentive, I will give you a crit if you help me. :D

Crysi

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Tue Nov 20, 2007 12:47 am

Crysi says... · Tue Nov 20, 2007 12:47 am

That... was absolutely fabulous. XD

(No, Snoink, I didn't feel like checking your work. I just thought it was amusing that you dominated this post with your step-by-step answers.)

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The grand in the hotel rings with broken tunes; the guests frown; the concierge winces. But the blue-hatted boy is happy and braver than they.
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AP Physics B - Circular Motion

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