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 - mv²/r. C) mg + mv²/r. D) mv²/r. E) None of the above.

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The Answer of 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 - mv²/r. C) mg + mv²/r. D) mv²/r. E) None of the above.

A Ball of Mass M Is Attached to a Thin