A stationary proton is in a uniform magnetic field of 0.20 T. What is the magnitude of the magnetic force on the proton?
A) zero
B) 1.6 × 10-20 N
C) 3.2 × 10-20 N
D) 1.6 × 10-21 N
E) 3.2 × 10-21 N
A
You might also like to view...
Within the mantle, how is heat transported outward away from the core?
A. differentiation B. radiation C. convection D. subduction E. conduction
To study the energy of photoelectrons we measure
A) the potential difference required to stop them. B) the distance traveled in a given time. C) the time taken to travel a given distance. D) their temperature.
The reason that we can calculate the change in entropy of a system is that
a. entropy always decreases. b. entropy always increases. c. the entropy of the universe always remains constant. d. it depends only on the properties of the initial and final equilibrium states. e. systems always follow reversible paths.
A Carnot engine operates between reservoirs at 550K and 300K, discarding 1500 J of heat in each cycle
(a) What is the engine's efficiency? (b) How much heat is supplied to the engine by the hot reservoir in each cycle? What will be an ideal response?