A car travels a certain distance for 45 minutes with the velocity of 40 km per hour and then a distance for 30 minute with the velocity of 60 kilometre per hour in the same direction
Calculate :
1. total distance travelled by a car
2.total time of journey in hours
3.average velocity of the car
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speed =distance/ time
distance=1800 km 1 st case
speed = distance/ time
=1800km 2nd case
total distance =3600 km
total time of journey is = 1hour 15 mins
average velocity =total distance/total time taken
=3600/115 minutes
=now divide and you will get your answer
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