A train of length 450 m crosses a pole with a speed of 72 km/h. How long will it take to cross the pole ?
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Answered by
32
Answer:
22 whole to the 1/2
Step-by-step explanation:
Length of the train = 450m
Speed of a train crosses a pole=72 km/hr
In kilometre we have to use this formula=
5/18
72*5/18 = 20m/s
Distance=speed*time
Time=Distance/speed
450/20= 22 whole to the 1/2
Answered by
0
Answer:
vhhh
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