Which best describes the relationship between two systems in thermal equilibrium?
a. No net energy is exchanged. c. Masses are equal.
b. Volumes are equal.
d. The velocity is zero.
A
You might also like to view...
Which of the following applies to Triton?
A) It is the most volcanically active body in the solar system. B) It is thought to have a deep, subsurface ocean of liquid water. C) It is the only moon in our solar system with an atmosphere thicker than Earth's atmosphere. D) It is the largest moon in the solar system. E) It is probably a captured Kuiper belt object.
How many molecules of sucrose are in a 0.5 moles of sucrose?
A) 3.01 × 1023 molecules of sucrose B) 6.02 × 1023 molecules of sucrose C) 12.04 × 1023 molecules of sucrose D) 0.5 E) 1 gram
The Milky Way Galaxy is
a. a spiral galaxy. b. part of a cluster of galaxies that contains a few dozen galaxies. c. about 80,000 light years in diameter. d. all of the above.
Which of the following statements describes a true observation that represents strong physical evidence that magnetic poles are not the same as electric charges? Select all answers that are both physically true and represent relevant evidence. (To select multiple answers using the back of the book, point to answers with multiple fingers.)
A. We describe magnetic poles as being north and south but charges as being positive or negative. B. A magnet does not exert force on a motionless charged particle, but another charged particle will. C. A magnet exerts force in a different direction on a motionless charged particle than a charged particle does. D. Magnetic fields are measured in teslas, but electric fields are measured in N/C. E. No one has seen an isolated magnetic pole. F. What do you mean? At the deepest level, electric charges and magnetic poles really are the same thing!