A car on a straight track is traveling at 20 m/s. If the car accelerates for 3 seconds at 5 m/s2, what
will be the car's speed at the end of the
acceleration?

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 articulations allow for greatest range of motion?

For which pair of objects would adding the same a