A 250 meters long train speeds past a pole in 12
Swallowing
Facial expression
seconds. What is its speed in kilometers per
hour:
7.5
Answers
Answered by
0
Step-by-step explanation:
Given :
Distance = 250m
Time = 12 seconds
Speed = Distance/Time
Speed = 250m/12s
= 125/6 m/s
= (125×60×60)/(6×1000) km/h
= (125×6)/10 km/h
= 750/10 km/h
= 75 km/h
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