You weigh 600 N. What would you weigh if the Earth were
seven times as massive as it is and its radius
were three times its present value?
Answer in units of N.

How many molecules are present in 3 mols of silicon dioxide (sio2)?

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

Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational