5. a contamer carrying water is subjected to an acceleration a to the right as shown in the figure below. the angle 6 made by the surface of water with respect

5. A contamer carrying water is subjected to an acceleration a to the right as shown in the figure below. The angle 6 made by the surface of water with respect to the horizontal is given by (a) cot (a/g) (b) sin (alg) (c) cos" (a/g) (d) tan (a/g)