An auto moves at a steady 50 mph down a straight level road. The direction of the force of air resistance on the car is
A) forward. B) downward. C) backward. D) zero. E) sideways.
C
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Which of the following is NOT true about audio channels?
A. Stereo channels are the best choice for an audio message. B. Sound-editing software enables you to change the audio channel of an audio file. C. Stereo has two channels. D. A mono channel might not provide the best listening experience for your website visitors.
Which of the following is not a phase of the Moon?
A) first-quarter moon B) third-quarter moon C) half moon D) full moon E) new moon
What do the electron configurations for all the group 18 noble gases have in common?
A) They have the same number of electrons. B) They occupy the same number of shells. C) Their outermost occupied shells are filled to capacity. D) all of the above
Work Done by a Gas: A gas expands from an initial volume of 30.0 L to a final volume of 65.0 L at a constant pressure of 110 kPa. How much work is done by the gas during this expansion?
A. 3.85 kJ B. 10.4 kJ C. 3850 kJ D. 10.4 MJ E. 3.85 MJ