Radius of level circular track is 20 m. If coefficient of friction is 0.25, then what will be maximum safe speed ? (g = 9.8 ms^(2))

Radius of level circular track is 20 m. If coefficient of friction i

1.	Radius of level circular track is 20 m. If coefficient of friction is 0.25, then what will be maximum safe speed ? (g = 9.8 ms^(2))
Answer» <html><body><p></p>Solution :`g= 9.8ms^(<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>)` <br/> `r=<a href="https://interviewquestions.tuteehub.com/tag/20-287209" style="font-weight:bold;" target="_blank" title="Click to know more about 20">20</a> m` <br/> ` g = 9.8 ms^(-2)` <br/> `v_(<a href="https://interviewquestions.tuteehub.com/tag/ax-889785" style="font-weight:bold;" target="_blank" title="Click to know more about AX">AX</a>)= <a href="https://interviewquestions.tuteehub.com/tag/sqrt-1223129" style="font-weight:bold;" target="_blank" title="Click to know more about SQRT">SQRT</a>(mu rg )` <br/> `= squr(0.25 <a href="https://interviewquestions.tuteehub.com/tag/xx-747671" style="font-weight:bold;" target="_blank" title="Click to know more about XX">XX</a> 20 xx 9.8 ) ` <br/> `=7m//s`</body></html>