Projectile motion is a combination of which two types of motion?

If the speed of a particle triples ,by what factor does its kinetic energy increase?

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!

Which system of units is used by only a small number of countries in the world, including the u.s.