PLEASE HELP DUE IN 45 MINUTES Find the electric force between two protons separated by .001 nm

Amodel rocket with a mass of 0.212 kg is launched into the air with an initial speed of 84 m/s. how much kinetic energy will the rocket have at a height of 214 m? assume there is no wind resistance. 634 j 303 j

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2