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A stone ties to the end of a string 1m long is whriled in a horizontal circle with a constant speed if the stone makes 22 revolutions in 44 seconds what is second what is the magnitude and direction of acceleration of the stone

A stone ties to the end of a string 1m long is whriled in a horizontal circle with a constant speed if the stone makes 22 revolutions in 44 seconds what is second what is the magnitude and direction of acceleration of the stone

Grade:12

1 Answers

Badiuddin askIITians.ismu Expert
148 Points
14 years ago

Dear pallavi

 stone makes 22 revolutions in 44 seconds

 or 1/2 revolution in 1 sec

so angular velocity ω = ∏ rad /sec

only centripital acceleraion is acting = ω2 L

                                                                    =2 * 1

                                                                    =9.869 N

direction is towards the center of circle

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