In which of the following is convection the main type of heat transfer? O A. Gas and vacuum
B. Solid and liquid
O C. Liquid and gas
O D. Solid and vacuum

11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?

State the following: boyle's law and charle's law

Which system of units is used by only a small number of countries in the world, including the u.s.