Trinity and a penguin get into an argument. The penguin gets angry and attacks her. Its mass is 5 kg and slides at 8 m/s, and Trinity is 40 kg and at rest. They collide and bounce apart. After the collision, the penguin is moving at 0 m/s. How fast is Trinity moving after the 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 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!