What is the horizontal and vertical axis of a speed graph

Which statement best describes resistance? resistance is a. how well a current will flow in a material and is measured in volts. b. how well a material conducts an electrical charge and is measured in ohms. c. the ability of a material to attract a positive charge to create a current. d. the ability of a material to repel neutral charges and is measured in ohms.

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

In science and physics what is the standard unit of measure for speed?