Finding volume using displacement and calculating density

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

What object a collides with object b and bounces back its final momentum is?

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