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What is relative velocity? A body starts to move from rest and gains acceleration of 2m/s2 in 30 sec. Find the final velocity. |
Answer» <html><body><p>What is <a href="https://interviewquestions.tuteehub.com/tag/relative-1183377" style="font-weight:bold;" target="_blank" title="Click to know more about RELATIVE">RELATIVE</a> velocity?Relative velocity is measured in a frame where an object is either at rest or moving with respect to the absolute frame.A body starts to move from rest and gains <a href="https://interviewquestions.tuteehub.com/tag/acceleration-13745" style="font-weight:bold;" target="_blank" title="Click to know more about ACCELERATION">ACCELERATION</a> of 2m/s2 in <a href="https://interviewquestions.tuteehub.com/tag/30-304807" style="font-weight:bold;" target="_blank" title="Click to know more about 30">30</a> sec. Find the final velocity.u=<a href="https://interviewquestions.tuteehub.com/tag/0-251616" style="font-weight:bold;" target="_blank" title="Click to know more about 0">0</a> a=2m/S 2 t=10Second S 1 =ut+0.5at 2 s 1 =0+0.5×2×100=100m S 2 =v+2 v=u+at=0+20=20m/s s 2 =20×30=600 m 0 2 −v 2 =2(−a)s 3 s 3 = 8 400 =50m s=s 1 +s 2 +s 3 =100+600+50=750Hope this helps you <a href="https://interviewquestions.tuteehub.com/tag/dear-431391" style="font-weight:bold;" target="_blank" title="Click to know more about DEAR">DEAR</a></p></body></html> | |