The atmospheric pressure in denver, co is 633 mmhg. what is this pressure in atm?

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

Which is not an example of how an object gains elastic potential energy by stretching? a. jumping on a pogo stick b. pulling on a rubber band c. jumping on a trampoline