From the video on GPS, how many satellites are needed in order to locate your exact position?
a. 2
b. 4
c. 5
d. 7
Ans: b. 4
You might also like to view...
In optical fibers of uniform density, light actually
A) curves in a direction parallel to the central axis of the fiber. B) travels in straight-line segments. C) travels along the outer surface of the fiber. D) none of the above
If the diameter of a wire increases, its resistance
a. increases. b. decreases. c. does not change. d. will increase or decrease depending on the composition. e. will change in a way that can not be determined.
Most of the Rocky Mountains, in the western United States, lie in the ______________ Standard Time zone
a. Mountain b. Eastern c. Central d. Pacific
In spite of the fictional exploits of the starship Enterprise, "Relativity" teaches us that the maximum possible speed is what? (hint: warp = v/c)
A) "warp" 0 B) "warp" 1 C) "warp" 10 D) "warp" infinity E) "warp"