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tankster tankster
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7 years ago
A ball is tied to the end of an 80.0-cm string and swings in a vertical circle about a fixed center under the influence of gravity. The speed of the mass at the bottom of the swing is 6.00 m/s. Which of the following statements is true?
A) The ball does not have enough energy to reach the top of the circle.
B) The ball has enough energy to reach the top of the circle but the string becomes slack before it can reach that point.
C) The ball has enough energy to continue revolving in a complete vertical circle.
D) This question cannot be answered without knowing the mass of the ball.
E) This question cannot be answered without knowing the tension in the string.
Textbook 
Physics

Physics


Edition: 4th
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Raj.SRaj.S
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7 years ago
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tankster Author
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7 years ago
Thanks
choih94
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Yesterday
Just got PERFECT on my quiz
Alina01978
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2 hours ago
Brilliant ツ
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