Find the minimum potential (relative to infinity) for an isolated, charged, metal sphere (with diameter as given in the introduction) such that it will create a spark. Assume the dielectric strength of the gas/air mixture surrounding the sphere is 3 MV/m.

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

Aball horizontally thrown from a cliff at 8m/s

Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving