You have a new goal of saving at least $4,500 over the course of the next year. You already have $900 saved.

By how much would you need to increase your monthly net savings in order to meet this goal?

The image shows the positions of a car on a roller coaster track. arrange the cars in order based on their gravitational potential energy. begin with the lowest potential energy and end with the highest.

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

Should we celebrate the voyages of zheng he mini q answer key