What is the density of an unknown metal that has a mass of 158 g and a volume of 20 ml

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?

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!

By what primary heat transfer mechanism does the sun warm the earth?