The force of friction between an object and the surface upon which it is sliding is 36N. The weight of the object is 85N. What is the coefficient of kinetic friction?

What is the speed of an object at a given moment?

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!

Select all the correct answers. which three statements about electromagnetic radiation are true?