Does M.I. change with change of the axis of rotation?

How does M.I. change with speed of rotation.

Which law is used by a ballet dancer to change her speed or rotation?

A vector has both magnitude and direction. Does it mean that anything that has magnitude and direction is necessarily a vector ?The rotation of a body can be specified by the direction of the axis of rotation, and the angle of rotation about the axis. Does that make any rotation a vector ?

Chemically denaturation does not change the primary structure of protein.

Why does equilibrium constant not change with the Presence of a catalyst ?

For a chemical reaction R rarr P , the rate of reaction does not change when the concentration of R is changed. What is the order of reaction ?

Answer the following questions: The earth’s magnetic field varies from point to point in space. Does it also change with time? If so, on what time scale does it change appreciably?