Respuesta :
Answer:
45
Step-by-step explanation:
Every 15 minutes, 30 kilometers are passed by.
15/60 = 1/4 hour
30/120 = 1/4 speed
It takes a train to travel 90 kilometers at a constant speed of 120 kilometers per hour is 45.
We have given that,
F. 30
G. 40
H. 45
J. 80
K. 90
What is the speed?
Speed is measured as the ratio between distance and time and the SI unit of speed is m/s.
Every 15 minutes, 30 kilometers are passed by.
15/60 = 1/4 hour
30/120 = 1/4 speed
To learn more about the speed visit:
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