Calculate the density of the football. Use the formula D = m/V

where D is the density, m is the mass, and V is the volume. Record your calculations in Table B of your Student Guide.

What is the density of the football?
g/cm3

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