Why capillary happen.

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

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.

Select all the correct answers. which three statements about electromagnetic radiation are true?