Q.1.
A bus covers a total distance of 740 km, out of which it covers 156 km at 52 km h-¹, 146 km at the speed of 36.5 km h- and it covers the remaining distance in 5 hours. Determine:
(a) speed of bus to cover remaining distance.
(b) average speed of bus for the whole journey.
Answers
Answered by
29
61.67
Step-by-step explanation:
t1 = 156/52 = 3 hrs, t2 = 146/36.5 = 4hrs
remaining distance = 740-(156+146) = 438
(a) speed of bus to cover remaining distance
s3 = 438/5 = 87.6 km/hr
(b) avg. speed = 740/(3+4+5)
=61 .67 km/hr
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