4. The mass of an electron is 9.11 x 1031 kg. The mass of a proton is 1.67 x 107 kg. They are about 1.0 x 10-10 m apart in a hydrogen atom. What is the gravitational force between these two
particles in the hydrogen atom?

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!