A speedboat accelerates uniformly. At t = 30.0 s, it is traveling 10.0 m/s; at t= 50.0 s it is traveling 20.0 n What is the acceleration of the speedboat?

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

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?