You have to travel 5000 meters. You only have two minutes (120 seconds) to get there. How fast must you travel to get there in time in meters per second?

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 energy released by a nuclear fusion reaction is produced when

What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?