A body moving along straight line covers a distance in three equal parts with speed 2 m/s, 3 m/s and 4 m/s, then its average speed is
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Answered by
21
average speed = average distance /average time
let the distance covered be = 12+12+12=36
average speed =(36/12 )m/s
average speed = 3 metres /s
let the distance covered be = 12+12+12=36
average speed =(36/12 )m/s
average speed = 3 metres /s
Answered by
8
Answer:36/13
Explanation:
Let the total distance be 3x.
The time required are x/2 , x/3 and x/4 respectively .
Avg speed = total distance/total time
= 3x/x/2+x/3+x/4
=3x/13x/12
=36/13 m/s
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