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in Physics by (69.5k points)

A stone is tied to one end of a spring 50 cm long is whirled in a horizontal circle with a constant speed. If the stone makes 10 revolutions in 20 s, what is the magnitude of acceleration of the stone 

(a) 493 cm/sec2 

(b) 720 cm/sec

(c) 860 cm/sec

(d) 990 cm/sec

1 Answer

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by (69.0k points)
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Best answer

Correct Option (a) 493 cm/sec2

Explanation:

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