A car travels a distance of 50km with a velocity 25km/h and then 60km with a velocity 20km/h in the same direction. find the total time of the journey and the average velocity of the car?
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Answer:SO WE KNOW THAT
VELOCITY=DISTANCE/TIME
SO,
TIME=DISTANCE /VELOCITY
TIME=50/25
=2h
Second case,
Time= 60/20
= 3h
Total time= 2h+3h
= 5h
Avg velocity=total distance/total time taken
=110/5
=22km/h
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