A0.5 kg ball traveling at 1 m/s to the right hits a second ball of equal mass that is initially at rest. after the perfectly elastic collision, the second ball travels at 0.543 m/s at a 57.2 degree angle upward from the point of contact.

draw a before and after diagram of this collision

The softest and hardest minerals are: softest hardest

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 equation2: 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!

Which of the following is the best name for mgcl2