The angular momentum of a wheel changes from 2L to 5L in 3 seconds. What will be the magnitude of torque acting on it?

The angular momentum of a wheel changes from 2L to 5L in 3 seconds. Wh

1.	The angular momentum of a wheel changes from 2L to 5L in 3 seconds. What will be the magnitude of torque acting on it?
Answer» <html><body><p>`(L)/(<a href="https://interviewquestions.tuteehub.com/tag/5-319454" style="font-weight:bold;" target="_blank" title="Click to know more about 5">5</a>)`<br/>`(L)/(2)`<br/>`(L)/(<a href="https://interviewquestions.tuteehub.com/tag/3-301577" style="font-weight:bold;" target="_blank" title="Click to know more about 3">3</a>)`<br/>L</p>Solution :`tau=(<a href="https://interviewquestions.tuteehub.com/tag/dl-957543" style="font-weight:bold;" target="_blank" title="Click to know more about DL">DL</a>)/(<a href="https://interviewquestions.tuteehub.com/tag/dt-960413" style="font-weight:bold;" target="_blank" title="Click to know more about DT">DT</a>)=(L_(2)-L_(<a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>))/(3)=(5L-2L)/(3)=(3L)/(3)=L`</body></html>