Question

A particle moving, eastwards with a velocity of . In , its velocity changes to northwards. The average acceleration in this time is

A

Zero

B

towards north-west

C

towards north-east

D

towards north-west

Medium
Solution
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Correct option is B)

Initial velocity, eastwards

Final velocity, northwards 

Now, change in the velocity

And the direction of is given by 

(taking east direction as positive)


Now, acceleration in north-west direction. 

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