A student standing on a cliff that is a vertical height d = 8.0 m above the level ground throws a stone with velocity v0 = 18 m/s at an angle θ = 21 ° below horizontal. The stone moves without air resistance; use a Cartesian coordinate system with the origin at the stone's initial position.

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

Hydrogen and helium are both members of?

If y gets smaller as x gets bigger and y have an relationship?