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A child whirls a stone in a horizontal circle 1.9 m above the ground by means of a string 1.4 m long. The string breaks, and the stone flies off horizontally, striking the ground 11 m away. What was the centripetal acceleration of the stone while in circular motion?

A child whirls a stone in a horizontal circle 1.9 m above the ground by means of a string 1.4 m long. The string breaks, and the stone flies off horizontally, striking the ground 11 m away. What was the centripetal acceleration of the stone while in circular motion?

Grade:11

1 Answers

Kevin Nash
askIITians Faculty 332 Points
7 years ago
234-1651_1.PNG
Round off to two significant figures,
a = 230 m /s2
Therefore, the acceleration with which the stone moves in a circle is 230 m/s2.

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