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CBSE Class 11-science Answered

please help
Asked by | 28 Sep, 2009, 11:58: AM
answered-by-expert Expert Answer

Force = 3.16 kg weight.

= 3.16 x 9.8 N

mv2/r = F

v2 = Fr/m = 3.16x9.8x1/0.049 = 632 

v = 25.14 m/s

f = v/(2πr) = 25.14/(2x3.14x1) = 4 Hz

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Answered by | 29 Sep, 2009, 09:53: AM

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