A train travel 400m in 10 seconds.find its speed in meters pet second and kilometres per hour.
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Answered by
1
Explanation:
Speed=distance ÷ time
- =400÷10
- =40ms(inverse)
40*5÷18=20*5÷9
- 100÷9=11. 11kmh(inverse)
Answered by
3
Explanation:
distance,D = 400m
time,T. = 10sec.
speed,S. = ?
S = D/T
= 400/10
S = 40m/s
Speed in km/h =40×18/5
= 144 km/h
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