513MGE 9) If the Earth shrinks to 50% of its real radius
its mass remaining the same, the weight of a
body on the Earth will
a) decrease by 50% b) increase by 50%
c) decrease by 25% d) increase by 300%

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!