What is the definition of iodometry?

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg · s2). use g = 9.80 m/s2 and calculate the mass m of the ball.

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?