An object’s position vs. time graph is a straight line with positive slope, draw the velocity vs. time graph that represents this motion

What defines the mass number of an isotope? a. the sum of the neutrons and protons b. the sum of the neutrons and electrons c. the number of neutrons d. the number of protons

Apackage of supplies is dropped from a plane, and one second later a second package is dropped. neglecting air resistance, the relative velocity of the 1st package viewed from the second will 56) a) increase. b) be constant. c) be zero. d) depend upon their weight. e) decrease

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?