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A car moves with a speed of 40 km/h for 15 minutes and then with a speed of 60 km/h for the next 15 minutes. Find the total distance covered by the car in these 30 minutes. |
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Answer» Speed=40km/h and time=15min=1/4 hour Using ,speed=DISTANCE/time Distance=40 x 1/4=10km For the SECOND PART of journey, Speed=60km/h and time=15 min=1/4 hour Then distance=60 x 1/4=15 km Total distance TRAVELLED in whole journey=10+15=25 km |
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