A particle is moving eastwards with a ve...

A particle is moving eastwards with a velocity of ` 5 m//s`. In `10 s` the velocity changes to `5 m//s` nothwards. The average acceleration in this time is

Zero

`1/sqrt2m//s^2`.towards north-west

`frac(1)(sqrt2) m//s^0`.toward north-east

`1/(2)m//s^0`.toward north-west

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