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OpenStudy (anonymous):
A mass hangs from a massless string and swings around in a horizontal circle. The length of the string is very slowly increased (or decreased). Let θ, ℓ, r, and h be defined as shown. (a) Assuming θ is very small, how does r depend on ℓ? (b) Assuming θ is very close to π/2, how does h depend on ℓ?
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OpenStudy (anonymous):
what are l and h?
OpenStudy (anonymous):
which angle is theta?
OpenStudy (anonymous):
|dw:1335631046780:dw|
OpenStudy (anonymous):
please help me::::----((((((
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