A car moves 30 km in 30 min and the next 30km in 40 min. Find average velocity of the car in m/s.
yash87994489:
60km/hr
average velocity is total distance travelled/total time taken
procedure
first covert the time into hr i.e 30min =1/2hr and 40min=2/3hr
total distance is 70km
total time is 1/2+2/3=7/6
divide them we will have the ans
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average velocity=(total distance)/total time
total distance=(30+40)km=70000m
total time=(30+40)min=(70×60) second
=70000/70×60
=100/6
=16.667m/s
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