Where on Earth would you be if Polaris was at your zenith?
A) North Pole
B) Arctic Circle
C) Tropic of Cancer
D) Equator
E) It lies overhead everywhere on Earth.
A
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Indicate whether the statement is true or false
When is the best time for you to be able to see the constellation that is your sign of the Zodiac?
A) At midnight six months after your birthday. B) At sunset six months after your birthday. C) At sunset on your birthday. D) At midnight on your birthday. E) At noon on your birthday.
A horizontal wire of length 3.0 m carries a current of 6.0 A and is oriented so that the current direction is 50° S of W. The Earth's magnetic field is due north at this point and has a strength of 0.14 × 10^?4 T. What is the direction of the force on the wire?
a. out of the Earth's surface b. toward the Earth's surface c. due east d. 40° S of E
The number of molecules in a container is tripled and the Kelvin temperature doubled. The volume remains unchanged. The new pressure will be how many times greater than the original pressure?