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°
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135 answer c. haisgvshirufddjwhxsh
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