Two towns P and Q are 400 km apart. A bus left for P and Q. It stopped at Q for one hour and then started the return to P. one hour after the departure of the bus from P, a trail also heading for Q left P. the trailer met the returning bus ¾ of the way from P to Q. they met t hours after the departure of the bus from P.
(a) Express the average speed of the trailer in terms of t
(b) Find the ratio of the speed of the bus so that of the trailer.
2 answers
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(a) 3/4*400 = 300 Km
Speed = 300/t km/hr
(b) Speed Of Bus (400+100)/t=500/t
(500/t)/(300/t)
The Ratio Is 5:3
Speed = 300/t km/hr
(b) Speed Of Bus (400+100)/t=500/t
(500/t)/(300/t)
The Ratio Is 5:3
2 answers