Wood burning in a fire is what property

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 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