Question

18. A train 150 m long crosses a tree in 6 seconds. What is the speed of the train in km/per hour.​

Answer 1

Answer:

speed = 25 m/s

Step-by-step explanation:

speed = distance or the length of train / time

s= 150 / 6 m/s

s= 25m/s

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Answer 2

Answer:

90 km/h

Step-by-step explanation:

Train length = 150 m

Time taken to cross tree = 6 sec

We know,

Distance = speed x time

Then speed of train

= Distance / time

= 150/6 = 25 m/sec

= 25x18/5

= 18x5 = 90 km/hr

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