A 0.50 kg ball that is tied to the end of a 1.0 m light cord is revolved in a horizontal plane with the cord making a 30° angle, with the vertical (See Fig. P7.52.)(adsbygoogle = window.adsbygoogle || []).push({});

I managed to get my answer down to solving for theta however I dont know how to do the math:

I solved for T = mg / cos(x)

The Fc is = Tsin(x) = (mg)[tan(x)]

(mg)[tan(x)] = (mv^2) / r

R (radius) = 1sin(x)

The following equation is where I am stumped...

sin^2(x) / cos(x) = 8 / 4.9

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# Centripetal Force of a tied ball

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