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A Ball of Mass M Is Attached to a Thin

Question 46

Multiple Choice

A ball of mass m is attached to a thin string and whirled in a vertical circle or radius r. The tension in the string at point e where the ball is moving with speed v is A ball of mass m is attached to a thin string and whirled in a vertical circle or radius r. The tension in the string at point e where the ball is moving with speed v is A) mg B) mg - mv<sup>2</sup>/r C) mg + mv<sup>2</sup>/r D) mv<sup>2</sup>/r E) none of the above.


A) mg
B) mg - mv2/r
C) mg + mv2/r
D) mv2/r
E) none of the above.

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