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A car is moving eastwards with velocity ...

A car is moving eastwards with velocity 10 m/ s. In 20 sec, the velocity changes to 10 m/s north wards. The average acceleration in this time :

A

`1/sqrt 2 m/s^2` towards N-W

B

`1/sqrt2 m/s^2` towards N-E

C

`1/2 m/s^2` towards N-W

D

`1/2 m/s^2` towards N

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The correct Answer is:
A
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