Answer:
We are given
distance “d” = 400 m
speed “v” = 20 km/h = 5.55 m/s
We also know that,
speed = distance/time
or time = distance/speed
therefore,
time = 400/5.55 = 72.07 seconds = 1.2 minutes (approx)
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Answers & Comments
Answer:
We are given
distance “d” = 400 m
speed “v” = 20 km/h = 5.55 m/s
We also know that,
speed = distance/time
or time = distance/speed
therefore,
time = 400/5.55 = 72.07 seconds = 1.2 minutes (approx)