What is the speed of a 436 gram soccer ball if it's kinetic energy is 209 J

Which expression allows you to determine the mechanical advantage of an inclined plane? a. height of plane / input force b. length of plane / input force c. length of plane / height of plane d. height of plane / length of plane

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

Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good