A child is swinging a 380-g ball at the end of a 69.0-cm-long string in a...
A child is swinging a 380-g ball at the end of a 69.0-cm-long string in a vertical circle. The string can withstand a tension of 16.0 N before breaking.
(a) What is the tension in the string when the ball is at the
top of the circle if its speed at that point is 3.90 m/s?
(b) What is the maximum speed the ball can have at the bottom of
the circle if the string does not break?
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A child is swinging a 380-g ball at the end of a 69.0-cm-long
string in a...
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A conical pendulum is formed by attaching a ball of
mass m to a string of length L, then allowing the
ball to move in a horizontal circle of radius r. The
following figure(Figure
1) shows that the string traces out the surface of a cone,
hence the name.Part A: Find an expression for the tension T in the
string.Express your answer in terms of the variables L,m,r and appropriate
constants.Part B: Find an expression for the ball's angular speed?.Express your answer...
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