A body of mass 2 kg is tied at one end of a string 2 m long & revolved in a horizontal circle. If the breaking tension of the string is 400 N calculate the maximum velocity of the body.(20 m/s)circle of radius 1 m calculate the

A body of mass 2 kg is tied at one end of a string 2 m long & revolved

1.	A body of mass 2 kg is tied at one end of a string 2 m long & revolved in a horizontal circle. If the breaking tension of the string is 400 N calculate the maximum velocity of the body.(20 m/s)circle of radius 1 m calculate the
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/tion-1420808" style="font-weight:bold;" target="_blank" title="Click to know more about TION">TION</a>:D302rpm,31.6m/sec302rpm,31.6Given : m=2kg <a href="https://interviewquestions.tuteehub.com/tag/r-611811" style="font-weight:bold;" target="_blank" title="Click to know more about R">R</a>=1 m T <a href="https://interviewquestions.tuteehub.com/tag/max-546895" style="font-weight:bold;" target="_blank" title="Click to know more about MAX">MAX</a> =2000NMaximum tension force in the string T max = Rmv max2 ∴ <a href="https://interviewquestions.tuteehub.com/tag/2000-289566" style="font-weight:bold;" target="_blank" title="Click to know more about 2000">2000</a>= 12×v max2 ⟹v max =10 10 =31.6 m/sAlso v max =Rw max ∴ v max =R(2πf max )OR 31.6=1×2πf max ⟹f max =5.03 rps⟹ f max =5.03×60=302 rpm</body></html>