Aperson is standing 110m below the top of cliff b, and thetwo
cliffs are 42m apart. at what speed must a rock be rolled toget
him?

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

Give an example in which the electrical energy changes to light energy