At a certain point in a circuit, 20 of charge have 44J of energy. What is the potential difference at this point?

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

If the textbook weighs 19.6 newtons on venus, what is the strength of gravity on venus?

In set c, explain the difference in the magnitudes of the gravitational forces between the two pairs of objects