What's the efficiency of a car that uses 400,000 J of energy from gasoline to make 48,000 J of kinetic

energy?

Two factors that affect force are: A. mass and weight B. friction and inertia C. strength and direction D. mass and strength

Sort the phrases according to whether they belong in the category of permanent or temporary magnets

A student pushes hard enough on a wall that she breaks a sweat. The wall, however, does not move (you can neglect the tiny amount it compresses). Does the student do any work on the wall? Answer using: 1. your intuition.

What is potential energy? energy transferred as waves energy related to motion energy produced by moving electric charges energy associated with position or shape

Which of the following scenarios will cause the current to stop flowing within a current

45 g of vinegar and 60 g of baking soda were used in a chemical reaction. What is the total mass of the products?

The maximum oxygen uptake is known as the

Moving a distal part of arms or legs to follow a circular path is:

Whats the difference between population density and population size?

Cody's car accelerates from 0m/s to 45 m/s northward in 15 seconds. What is the acceleration of the car?