while in safari, a tourist witnessed a 200 kg lion chasing down an 800 kg water buffalo, and eventually the lion jumping and grabbing on to the buffalo. Before collision the lion was running behind the water buffalo at 20.m/s and the buffalo running away from the lion at 25 m/s. What is the combined speed of the lion and the buffalo after collision?

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!