A train 125 M long travelling at a uniform speed passes a stationary man in 3.5 seconds. Find the speed of train in km/h.....
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Answers
Answered by
9
speed= distance/time
speed= 125/3.5
s= 125/35/10
s=1250/35
s=250/7 m/sec
multiply by 18/5
S = 250/7 ×18/5
s=50×18/7
s= 900/7
s=128.5kmph is answer
speed= 125/3.5
s= 125/35/10
s=1250/35
s=250/7 m/sec
multiply by 18/5
S = 250/7 ×18/5
s=50×18/7
s= 900/7
s=128.5kmph is answer
Answered by
11
Distance in km:
125 m = 125 ÷ 1000 = 1/80.125 km
Time in hour:
3.5 seconds = 3.5 ÷ 60 ÷ 60 = 7/7200 hour
Find the speed:
Speed = Distance ÷ Time
Speed = 1/8 ÷ 7/7200 = 128.57 km/hour
Answer: The speed is 128.57 km/hour
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