Technician A says that resistance is an opposition to electrical power and voltage is electrical pressure. Technician B says that current is the rate of electrical flow in a circuit and voltage is the opposition to current flow. Which if the following statement is correct?

Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.15 times a second. a tack is stuck in the tire at a distance of 0.373 m from the rotation axis. noting that for every rotation the tack travels one circumference (a) find the tack's tangential speed. (b) what is the tacks radial acceleration?

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

Patricia is trying to compare the average rainfall of new york to that of arizona. a comparison between these two states for the months of july through september would best be measured in