Which option below best explains why the second law of thermodynamics is not violated when heat flows from a cold freezer and into the much warmer room? A. The flow of internal energy out of the freezer is balanced by the flow of energy into the room. O B. The electric motor on the freezer does work to remove the heat from inside the freezer. C. The spontaneous flow of heat from a cool area and into a warmer area is allowed O D. The freezer and room are not an isolated system, since electrical energy flows in PREVIOUS​

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

Which of the following statements is true about women and minorities in early psychology? a. in the early 20th century, numerous graduate schools recruited women and minorities to study psychology. b. opportunities in higher education were limited for women and minorities in the early 20th century due to discrimination. c. despite some obstacles, there were numerous employment opportunities for women and minorities. d. women and minorities were often selected to do academic research in an effort to make the field more diverse.

Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative