A particle is moving in three-dimensions and is not acted on by any non-conservative forces. The particle is moving with velocity when it is located at point O. When the particle returns to point O at a later time, which statement is true about its velocity?

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

Which one of the following research methods can show cause and effect

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?