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Grade: 11
        
Consider a mass spring suspended from a rigid support. Let v be the speed imparted to the mass , R be the length  of the string . If v = (4gR)½ , at what angle with the horizontal will the string be slack ?
one year ago

Answers : (1)

Bhavasagar
45 Points
							Given,v=√4gR. If ∆ is the angle made by string with horizontal when it is slack. From FBD of mass. tan∆=weight/Centripetal force. tan∆=mg/mv^2/R. tan∆=mgR/m4gR. tan∆=1/4. ∆=tan^-1(1/4)
						
one year ago
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