An observer in the Northern Hemisphere takes a time exposure photograph of the night sky. If the illustration below depicts the photograph taken by the observer, which direction was the camera pointing?
a.
straight north
b.
straight east
c.
straight south
d.
straight west
e.
straight up, directly overhead
C
You might also like to view...
Two resistors with resistances of 5.0 ? and 9.0 ? are connected in parallel. A 4.0-? resistor is then connected in series with this parallel combination. An ideal 6.0-V battery is then connected across the series-parallel combination
What is the current through (a) the 4.0-? resistor and (b) the 5.0-? resistor?
In measuring any temperature less than 500 Fahrenheit, which of the following scales will have the highest numeric reading?
a. Fahrenheit b. Celsius c. Kelvin d. None of these
As a pressurized aircraft gains altitude, the force acting on the boarding door due to the difference between the outside air pressure and the pressure inside the aircraft _____________ with height
Fill in the blank(s) with correct word
A blimp is filled with 200 m3 of helium. How much mass can the balloon lift? The density of helium is one-seventh that of air, and the density of air is 1/800 that of water. Consider the mass of the balloon to be negligible
a. 115 kg b. 214 kg c. 315 kg d. 415 kg e. 37 kg