27.) A person walks a distance of 30 m towards west with a speed of 2 ms' and 40 m towards
north with a speed of 1.5 ms1. Then average speed and average velocity for his journey
A)
ms
42
25
ms
42
B)
25
-ms-1
=ms-1
6
5
C) 20ms 1, 25ms-1
D) 25ms-1, 20ms-1
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