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Sham covers a certain distance by the car at 35 km/hr and he returns back to the starting point by scooter with the speed of 25 km/hr. Find the average sped for the whole journey.1 |
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Answer» Let the distance COVERED during the first half journey be x. Speed during first half = 35 km/h Time TAKEN = x/35 Distance covered during return journey is ALSO x. Speed during return journey = 25 km/h Time taken = x/35 Average speed = 2x/x/35+x/25 Average speed = 175*2/12 Average speed = 29.16 km/h Hence, the average speed for the entire journey is 29.16 km/h Step-by-step explanation: |
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