a car moves with a speed of 60 km per hour for 20 minutes and then will speed of 80 kilometre per hour for the next 40 minutes find the total distance covered by the car

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Solution

Dear Student

Case I
Speed = 60 Km/h
Time = 20 min = 1/3 h

Distance = speed x time = 60 x 1/3 = 20 Km/h

Case II
Speed = 80 Km/h
Time = 40 min = 2/3 h

Distance = speed x time = 80 x 2/3 = 53.3 Km/h

Total Distance covered by car = 20 + 53.3 = 73.3 Km

Regards

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a car moves with a speed of 60 km per hour for 20 minutes and then will speed of 80 kilometre per hour for the next 40 minutes find the total distance covered by the car

Dear Student ​​​​​​Case I Speed = 60 Km/h Time = 20 min = 1/3 h Distance = speed x time = 60 x 1/3 = 20 Km/h Case II Speed = 80 Km/h Time = 40 min = 2/3 h Distance = speed x time = 80 x 2/3 = 53.3 Km/h Total Distance covered by car = 20 + 53.3 = 73.3 Km Regards

Dear Student

Case I
Speed = 60 Km/h
Time = 20 min = 1/3 h

Distance = speed x time = 60 x 1/3 = 20 Km/h

Case II
Speed = 80 Km/h
Time = 40 min = 2/3 h

Distance = speed x time = 80 x 2/3 = 53.3 Km/h

Total Distance covered by car = 20 + 53.3 = 73.3 Km

Regards