The independent variable:
o
a. is the one that the experimenter manipulates directly.
o
o
o
b. tells you what happens in the experiment.
c. is not present in all experiments.
d. is what happens to the experimental group.

The 20@kg wheel has a radius of gyration about its center g of kg = 300 mm. when it is subjected to a couple moment of m = 50 n # m, it rolls without slipping. determine the angular velocity of the wheel after its mass center g has traveled through a distance of sg = 20 m, starting from rest.

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

The density of a liquid could be found by using