the pressure in a 50 m³ room filled with air is 10⁵ pasc., what's the mass of the air that comes out of the room after we increase the pressure to 11*10⁴

Ineed asap! list 3 examples in which friction us or makes things easier in our daily life. explain the effect of friction for each. *make sure you explain the effect of friction for each example! *

Asystematic approach to problem solving is called a (an)

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 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