A 160 m long train covered a 240 m long plat form in 20 sec
a) Find out the distance travelled by the train to cover the platform.
b) Find out the speed of the train in m/sec.
c) Express the speed in km/hr.
d) Find the distance if the train passes a man in a station.
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Answer:
Distance covered= 120m + 160m = 280m
Time taken= 14 seconds
Speed= \frac{Dis\tan ce}{Time}=\frac{280}{14}
Time
Distance
=
14
280
=20m/s
In second case, distance
= 120+ 100= 220m
Time taken+ \frac{220}{20}\sec=11\sec
20
220
sec=11sec
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