Select the correct answer.
based on the law of conservation of energy, which statement is false?
o a.
energy is lost when machines don't work right.
ob. we can't add more energy to the universe.
o c. we can't destroy energy that exists in the universe.
o d.
energy changes from one form to another.

Which of the following is not am example of a polymer? protein nylon kevlar concreta

Which statement is best supported by the information in the chart? wave y is moving the fastest. wave x is moving the fastest. all of the waves are moving at the same speed. all of the waves have the same value of wavelengths per second.

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 equation 2: 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!