Which of the following terms are needed to completely describe speed? Check all that apply. A. Units B. Direction C. Number D. Mass

When the end of earth's axis is tilted toward the sun, what season will we exprience in north america?

What must happen to an atom of magnesium in order to become a magnesium ion

A softball is hit high into the air. As it rises, the softball A) loses kinetic energy and loses potential energy. B) loses kinetic energy and gains potential energy. C) gains kinetic energy and gains potential energy.

If you were going to describe the relationship between current, voltage, and power, you could say

A taxicab moves five blocks due north, five blocks due east, and another two blocks due north. Assume all blocks are of equal size. What is the magnitude of the taxi's displacement, start to finish?

How do aeroplanes fly?

What is constant acceleration?

What is the best conductor of electricity? A. aluminum B. gasoline C. protien D. lipids

A container of water is lifted vertically 3.0m

Newton's second law of motion addresses the relationship between what two variables that influence the force on a body? A. Mass and acceleration B. acceleration and inertia C. Inertia and mass D. Acceleration and velocity