A rectangular tank 1.2 m deep and 2 m long is used to convey water up a ramp inclined at an angle of 30° to the horizontal. Calculate the inclination of the water surface to the horizontal when the acceleration parallel to the slope on starting from the bottom is 4 m/s2.

A rectangular tank 1.2 m deep and 2 m long is used to convey water up

1.	A rectangular tank 1.2 m deep and 2 m long is used to convey water up a ramp inclined at an angle of 30° to the horizontal. Calculate the inclination of the water surface to the horizontal when the acceleration parallel to the slope on starting from the bottom is 4 m/s2.
A.	150°39'
B.	139°39'
C.	132°39'
D.	163°39'
Answer» E.

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A rectangular tank 1.2 m deep and 2 m long is used to convey water up a ramp inclined at an angle of 30° to the horizontal. Calculate the inclination of the water surface to the horizontal when the acceleration parallel to the slope on starting from the bottom is 4 m/s2.

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