What is the magnitude of the angle of dip at Earth's magnetic north pole?
At Earth's magnetic north pole the angle of dip is 90°.
You might also like to view...
A capacitor is connected in series with a resistor and a switch. With the switch open, the capacitor is charged to 9.0 V. When the switch is closed, how long will it take for the voltage across the capacitor to drop to 6.0 V if the time constant of the circuit is 4.0 s?
A. 0.3 s B. 1.2 s C. 1.6 s D. 2.7 s E. 12 s
The nucleus is made of ____
a. electrons only. b. protons only. c. neutrons only. d. electrons and protons, usually. e. protons and neutrons, usually.
Ancient people who knew the saros cycle could
A) predict when they'd see the next total solar eclipse in their area. B) predict what type of eclipse would occur. C) completely predict every lunar eclipse. D) predict when an eclipse would happen, but not necessarily what type and where it would be visible. E) completely predict every solar eclipse.
Modern in-air nuclear bomb tests have created an extra high level of 14C in our atmosphere
If future archaeologists date samples from this era, without knowing of this testing, will their carbon-14 dates be too young, too old, or correct? If correct, why? A) Too young. B) Too old. C) Correct, since 14C from bomb tests is different from that produced naturally. D) Correct, because modern biological materials do not gather 14C from bomb tests.