A car moves with the speed of 60 km/h for 20 minutes and then with the speed of 80 km/h for next 20 minutes. Calculate the total distance travelled by the car.
Answers
Answered by
1
Speed=60km/hr,time=20mins=1/3hr
Using the formula
Speed=distance/time
Distance=speed*time
=60*1/3=20m
Second distance
Speed=80km/hr,time=15mins=1/4hr
Distance=speed*time
=80*1/4=20m
Total distance=20+20=40m
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Answered by
2
GOOD MORNING ☺️
Speed of car in first 15 minutes = 40 km/h
Distance covered = speed × Time taken
60 minutes = 1 hour
15 minutes =
60
15
hour
Distance covered = 240×
60
15
=10km
Speed of car in next 15 minutes = 60 km/h
Distance covered = 60×
60
15
=15km
∴ Total distance covered = (10+15)km = 25 km
∴ 25 km is correct
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