Consider this situation. The hanging washers are attached to the end of a string that goes through a tubular case, and has a stopper swinging in a circle at the other end of it. :
If the hanging washers have a mass of 331.3 grams, how much centripetal force is on the string?
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Expert's answer
2020-06-02T17:54:03-0400
The centripetal force on the string equals the tension in the string:
Fc=T=mv2/R,
where v - velocity of washers, R - length of the string between the tube and washers. Substitution of the mass in kg gives
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