sebongkah es dengan massa 200 gram memiliki suhu -5 c. jika es tersebut ingin diubah menjadi air yang bersuhu 20 c, berapakah kalor yang harus diberikan? (kalor jenis air = 4200 J/kg, kalor jenis es = 2100 J/kg, dan kalor lebur es = 336 KJ/kg)

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

How is zig zagging a form of acceleration?

Most of the volume of an atom is occupied by the