An iron rod is :
a: a good conductor of heat and electricity, but not magnetic
b: magnetic and a good conductor of heat, but is an insulator of electricity
c: magnetic and a good conductor of heat and electricity
d: not magnetic and an insulator of heat and electricity
a and d are out

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

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

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!