A 900 g ball moves in a vertical circle on a 1.08 m-long string. If the speed at the top is 4.40 m/s, then the speed at the bottom will be 7.85 m/s.
What is the tension in the string when the ball is at the top?
What is the tension in the string when the ball is at the bottom?
What is the tension in the string when the ball is at the top?
What is the tension in the string when the ball is at the bottom?
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let the tension in the string = T
when the ball is at the top
0.9 * 4.40^2 / 1.08 = 0.9 * 9.81 + T
solving T for answer
when the ball is at the bottom
0.9 * 7.85^2 / 1.08 + 0.9 * 9.81= T
solving T for answer
when the ball is at the top
0.9 * 4.40^2 / 1.08 = 0.9 * 9.81 + T
solving T for answer
when the ball is at the bottom
0.9 * 7.85^2 / 1.08 + 0.9 * 9.81= T
solving T for answer