Question

8 HOTS A body covers half of its journey with speed ans
and the other half with speed b m/s. Calculate the average
speed of the body during the whole journey.​

Answer 1

Answer:

Explanation:

speed for first half =a m/s

speed for 2nd half =bm/s

we know

average speed = (speed 1 + speed 2 )/2

therefore,

average speed for this journey=(a+b)/2

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