Question: A 0.75-kg stone attached to a string is whirled in a horizontal circle of radius 35 cm as in the conical pendulum of Example. The

A 0.75-kg stone attached to a string is whirled in a horizontal circle of radius 35 cm as in the conical pendulum of Example. The string makes an angle of 30° with the vertical.

(a) Find the speed of the stone.

(b) Find the tension in the string.

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