Imagine that you swing about your head a ball attached to the end of a string. The
Question:
(a) Can the string be exactly horizontal? Why or why not?
(b) If the mass of the ball is 0.250 kg, the radius of the circle is 1.50 m, and it takes 1.20 s for the ball to make one revolution, what is the ball’s tangential speed?
(c) What centripetal force are you imparting to the ball via the string?
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a it cannot be exactly horizontal T...View the full answer
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