What two controls on a car causes a change in speed

Define the meaning of the unalienable rights of life liberty and persuit of happiness

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

As you lift an 88 n box straight upward you produce a power of 72 w. what is the speed of the box?