Question

15. A train 230 m' long, passes a pole in
23 seconds. Find :
(i) its speed in km/h.
(ii) time taken by it to pass a platform
200 m long.​

Answer 1

Answer: i speed=distance/time

speed=230m/23s

speed=10m/s

10m/s×18/5

2×18=36km/h

ii time=distance/speed

time=200m/10m/s

time=20s

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