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A toy plane of mass 0.624 kg is flown in a circle when attached to a string. The plane moves around the circle with a rotational speed of 8.09 rpm. The length of the string is 2.60 m.

What is the tension in the string?

2 answers

tension=mass*w^2 * radius

w= 8.09 rpm*2PIrad/rev*1min/60 sec

Thanks

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