A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them. Which law best describes this trick. A.
law of gravity
B.
F = M x A
C.
law of inertia
D.
law of action/reaction

Idon’t quite understand this problem

Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt