If the earth shrank until its radius were only one-quarter its present size without changing its mass what would a 20 n object weigh st its surface?

How would doubling the made of an object change the objects potential energy

When does your body conduct current more readily?

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 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 energy added you so much!