Determine the mechanical advantage of a car jack uses an input fore of 30 N and provides the output force of 600 N?

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?