Can someone please provide explanations to the problems on the attached file? THanks!
Of note, the answers are in bold.
Of note, the answers are in bold.
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1.
Whenever given 2 rates find the difference of the rates. First change rev/min to rev/s
P makes (1/6 )rev/s Q makes ( 2/3) rev/s.
2/3-1/6= ½ (rev/s) So Q is ahead by half rev/s . If Q is to be bhead by 6rev, he will do it in (watch the units) 6rev/1/2(rev/s) =12s.
