A train 450m long crosses a pole in 22 and half second. What is the speed of the train in km/h
Answers
Answered by
14
given
length of train = distance = 450m
time = 22.5 seconds
Speed = 450 ÷ 22.5
= 20 m s^-1
length of train = distance = 450m
time = 22.5 seconds
Speed = 450 ÷ 22.5
= 20 m s^-1
rahulchander02p8tks4:
time 22 1/2 lo
it is 22+ 1/2 of 22 i.e 22.5
sorry
but answer is not this
it is 22 and 1/2 of 1 second
then how I solve
what is your answer
72 km/h
in kn/h but is m/s it is 20
in km sir
Answered by
46
Speed= distance/time
= 450 m /22.5 second
= 20 m/sec
speed in km/hr= 20x60x60/1000
= 72 km/hr. Ans
= 450 m /22.5 second
= 20 m/sec
speed in km/hr= 20x60x60/1000
= 72 km/hr. Ans
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