Question
If you're only given the radius of a circle, how do you find the centripetal force? The hint is what is the centripetal acceleration at the top of the circle?
You cant, unless you know something about the velocity. If the velocity is just sufficent to keep the mass in a vertical circle, then at the top mg= mv^2/r
You cant, unless you know something about the velocity. If the velocity is just sufficent to keep the mass in a vertical circle, then at the top mg= mv^2/r
Answers
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