Help asap! will give brainliest to somebody who helps! John uses a hammer to pull a nail from a plank. The handler of the hammer is 30 cm. The nail puts the 450-N resistance force 2 cm from the pivot. How much force do you need to pull the nail out?

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