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A Stone Is Tied to a String and Whirled at Constant

Question 49

Multiple Choice

A stone is tied to a string and whirled at constant speed in a horizontal circle.The speed is then doubled without changing the length of the string.Afterward the magnitude of the acceleration of the stone is:


A) the same
B) twice as great
C) four times as great
D) half as great
E) one-fourth as great

Correct Answer:

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