A circular cylinder of radius $R$ and height $H$ is filled with water to a height $(2 / 3) H$ . It start rotating about it axis with constantly increasing angular speed. Choose the correct alternative

At all speed, shape of the free surface ism parabolloid.

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The free surface touches first the brim of the cylinder and then the base of the cylinder.

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The free surface cannot touches touch the base without spilling water.

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The free surface touches the brim as well as the base at the same instant.

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Solution

The correct options are
A At all speed, shape of the free surface ism parabolloid.
B The free surface touches first the brim of the cylinder and then the base of the cylinder.
C The free surface cannot touches touch the base without spilling water.

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A circular cylinder of radius R and height H is filled with water to a height (2/3)H. It start rotating about it axis with constantly increasing angular speed. Choose the correct alternative

The correct options are A At all speed, shape of the free surface ism parabolloid. B The free surface touches first the brim of the cylinder and then the base of the cylinder. C The free surface cannot touches touch the base without spilling water.

A circular cylinder of radius $R$ and height $H$ is filled with water to a height $(2 / 3) H$ . It start rotating about it axis with constantly increasing angular speed. Choose the correct alternative

The correct options are
A At all speed, shape of the free surface ism parabolloid.
B The free surface touches first the brim of the cylinder and then the base of the cylinder.
C The free surface cannot touches touch the base without spilling water.