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pallavi pradeep bhardwaj Grade: 12
        

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

7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										

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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Badiuddin

7 years ago
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