NEET Physics Mathematical Tools Questions Solved

A truck travelling due north with 20m/s turns towards west and travels at the same speed. Then the change in velocity is -

(A)  40 m/s north-west

(B)  $20\sqrt{2}$ m/s north-west

(C)  40 m/s south-west

(D)  $20\sqrt{2}$ m/s south-west

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