a car travels a distance of 420 km in 2 hours 20 minutes• what is the speed of the car in m/ sec
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Answered by
11
Step-by-step explanation:
total time = 2hours + 20 min
= 2 + 1/3 hours
= 7/3 hours
speed = distance / time
= 420 / (7/3)
= 180 km/h
speed in m/s = 180 x 1000 / 3600
= 180 x 5/18
= 50 m/s
Answered by
5
Step-by-step explanation:
Dist. = speed/time
and you should convert time like this
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