The radius vector of a particle varies with time t as vecr=vecbt(1-alpha t)where vecbis a constant vector and a is a positive factor . Find the time interval Delta ttaken by the particle to return to the initial point

The radius vector of a particle varies with time t as vecr=vecbt(1-alp

1.	The radius vector of a particle varies with time t as vecr=vecbt(1-alpha t)where vecbis a constant vector and a is a positive factor . Find the time interval Delta ttaken by the particle to return to the initial point
Answer» <html><body><p></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :`vecr=vecbt(1-alpha t)`<br/>For <a href="https://interviewquestions.tuteehub.com/tag/initial-499269" style="font-weight:bold;" target="_blank" title="Click to know more about INITIAL">INITIAL</a> <a href="https://interviewquestions.tuteehub.com/tag/point-1157106" style="font-weight:bold;" target="_blank" title="Click to know more about POINT">POINT</a> , `vecr=<a href="https://interviewquestions.tuteehub.com/tag/0-251616" style="font-weight:bold;" target="_blank" title="Click to know more about 0">0</a>,vecb=t(1-alphat)=0`<br/>`t=0"and" t=1/alpha` <a href="https://interviewquestions.tuteehub.com/tag/hence-484344" style="font-weight:bold;" target="_blank" title="Click to know more about HENCE">HENCE</a>,` Deltat=1/alpha `</body></html>