a train travels at a speed of 10m per second what is its speed in km per hour
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Answer:
=10 m/s
=10×18÷5
=36km/h
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Step-by-step explanation:
Speed of train = 10 m/sec
conversion:
Distance
1 Km = 1000m
1 m = 1/1000 Km
10 m = 10/1000 = 1/100 Km
Time
1 Hr = 60x60 Sec
1 Sec = 1/3600 Hrs
Substitute in Q
(1/100) / (1/3600)
3600/100
= 36 Km/Hrs.
shortcut:
just multiply 10 by 18/5
10 x 18/5
= 36 Km/Hrs.
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