A magnet on a frictionless mount would have its magnetic north pole point toward the Earth’s geographic
A. south pole
B. north pole
B. north pole
You might also like to view...
If light travels 63,000 AU in 1 year at 3 × 10^8 m/s, which of these best represents the unit of a light-year?
a. 63,000 AU b. 3 × 10^8 m/s c. 1 year d. All of the other choices are correct.
You find a mysterious rock on the ground and determine that 60% of its uranium-235 has been converted into lead-207. What is the most likely origin of the rock, based on its radiometric age?
A) It's older than our solar system, so it must have come from another solar system. B) It's a meteorite dating back to the formation of the solar system. C) It's a volcanic rock nearly a billion years old. D) It was just formed this year during the eruption of a nearby volcano.
A current in a solenoid with N turns creates a magnetic field at the center of that loop. The field strength is directly proportional to:
a. current strength. c. Both choices A and B are valid. b. number of turns in the loop. d. None of these choices are valid.
Why can't we send a space mission to a star system outside of our own?
What will be an ideal response?