23.14. A brass key has a net positive charge of +1.92 x 10-16 C. Approximately, how
many electrons must be added to the key to
make it electrically neutral?

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

For this car, predict the shape of a graph that shows distance (x) versus time (t). note that time is the independent variable and will be on the bottom axis. need asap

Which branches of natural science include the study of an organism that lived 10 million years ago