A 100g steel ball falls from a height of 1.8m on to a metal plate and rebounds to a height of 1.25m, find The p. e of the ball before the (fall g=10m/s2)
Its k. e as it hits the plate
Its velocity on hitting the plate
Its k. e as it leaves the plate on the rebound
Its velocity if rebound

You charge a parallel-plate capacitor, remove it from the battery, and prevent the wires connected to the plates from touching each other. when you increase the plate separation, what happens to the following quantities?

Which is the most accurate name for the covalent compound p2o3?

If water vapor with the mass of 35.0 grams is cooled and condensed into water in a closed system such as a closed glass jar, what is the mass of the water after the water vapor completely condenses? a) 34.5 grams b) 35.0 grams c) 35.5 grams d) the mass cannot be determined without knowing the volume