What angle will create equal horizontal and vertical launch velocities?

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

Imagine you had to physically add electrons, one at a time, to a previously neutral conductor. you add one electron very easily, but the second electron requires more work. in your initial post to the discussion, explain why this is. also, what happens to the work needed to add the third, fourth, fifth, and subsequent electrons

The necleus of an atom is made up of what subatomic particles?