A person fire bullet of 40 g w ith speed of 1200 m /s from his rifle. If rifle can w ithstant maximum recoil force of 144 N. How many bullet he can fire every second ?

A person fire bullet of 40 g w ith speed of 1200 m /s from his rifle.

1.	A person fire bullet of 40 g w ith speed of 1200 m /s from his rifle. If rifle can w ithstant maximum recoil force of 144 N. How many bullet he can fire every second ?
Answer» <html><body><p>1<br/>2<br/><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/>4</p>Solution :`F= <a href="https://interviewquestions.tuteehub.com/tag/32-144-273643" style="font-weight:bold;" target="_blank" title="Click to know more about 144">144</a> N` <br/> `m= 40 g= 40 xx10^(-3)kg` <br/>`v=1200 m//s` <br/> Momentumof one buller= mv <br/>Letpersone firen bulleteverysecond<br/> Totalmomentumof nbullet<br/> `=nmv ` <br/> <a href="https://interviewquestions.tuteehub.com/tag/recoil-1180224" style="font-weight:bold;" target="_blank" title="Click to know more about RECOIL">RECOIL</a> <a href="https://interviewquestions.tuteehub.com/tag/force-22342" style="font-weight:bold;" target="_blank" title="Click to know more about FORCE">FORCE</a><br/> NowF= <a href="https://interviewquestions.tuteehub.com/tag/mnv-3728708" style="font-weight:bold;" target="_blank" title="Click to know more about MNV">MNV</a> <br/> `n=(F)/(m v) = (144)/( 40 xx 10^(-3)xx 1200)` <br/> `= 3` <br/> Person can fire3 bulleteverysecond</body></html>