A body is traversing on the x-y plane with constant speed- At the start of the motion- the particles velocity is 40- and after 30 sec its velocity becomes 40- Find the average acceleration- -

The correct option is C Average acceleration = change in velocity/time taken= v_f v_i/t=40ĵ 40î/30 ...

A body is tra...

Question

A body is traversing on the x-y plane with constant speed. At the start of the motion, the particles velocity is $40^i$ and after 30 sec its velocity becomes $40^j$ . Find the average acceleration.

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Solution

The correct option is C

Average acceleration = $\frac{c h a n g e i n v e l o c i t y}{t i m e t a k e n}$ = $\frac{v_{f} - v_{i}}{t} = \frac{40^j - 40^i}{30}$

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