What is an example of an action/reaction force pair?
A. Sitting in a chair and feeling it push back up on you
B. Throwing a ball in space and it goes on forever
C. Changing your force to accelerate a baseball different
distances
D. An apple sitting on a table until something knocks it off

Write the correct abbreviation for each metric unit

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? a. positive b. negative c. zero

The amount of heat required to change liquid water to vapor at its boiling temperature is 2256 kj/kg. the amount of heat required to change liquid mercury to its vapor state at its boiling temperature is 295 kj/kg. one kg of each substance is currently at its boiling point. how will the amount of thermal energy required to change each substance from a liquid to a gas differ?