A baseball with a mass of 0.15 kg falls towards the surface of the Earth. Just before the apple hits the ground it has a speed of 6.64 m/s. How much Kinetic Energy does the baseball have before it hits the ground?

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

What is special about a dc circuit ?

If anyone who can me with this hw? i would really appreciate it