JEE Main 2005 Physics question
A particle is moving eastwards with a velocity of 5 m/s in 10 seconds the velocity changes to 5 m/s northwards. The average acceleration in this time is
Answer: (4)
Solution
(north minus east), with magnitude m/s directed towards the north-west. Average acceleration \frac{Δ\vec v}{Δ t}\frac{5\sqrt2}{10}$ =
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