1.

A body is moving on a circle of radius 80 m with a speed 20 m/s which is decreasing at the rate 5 m/s2 at an instant The angle made by its acceleration with its velocity is(1) 45°(2) 90°(3) 135(4) 0°​

Answer» 135 ANSWER C. haisgvshirufddjwhxsh


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