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A cyclist goes up ahill at 3kmph and down the same holl at 6kmph . What is the average speed

A cyclist goes up ahill at 3kmph and down the same holl at 6kmph . What is the average speed

Grade:11

1 Answers

IHate Ppts
101 Points
6 years ago
In this question, the distance in both cases, uphill and downhill is same. So we can use the half-distance formula which is 2/average speed=1/v1+1/v2.Substituting values we get average speed=4.

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