Which of the following rocks is a sedimentary rock?
a. Slate
b. Granite
c. Marble
d. Conglomerate
d
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When the engine of your car heats up, the spark plug gap will
A) increase. B) decrease. C) remain unchanged. D) decrease at first and then increase later, so that the two effects cancel once the engine reaches operating temperature.
A stretched string is observed to have four equal segments in a standing wave driven at a frequency of 480 Hz. What driving frequency will set up a standing wave with five equal segments?
A) 240 Hz B) 600 Hz C) 360 Hz D) 120 Hz
A 0.30-m-radius automobile tire accelerates from rest at a constant 2.0 rad/s2 . What is the centripetal acceleration of a point on the outer edge of the tire after 5.0 s?
a. 300 m/s2 b. 33 m/s2 c. 30 m/s2 d. 3.0 m/s2
Which of the following could be the molecular formula for an alkene?
a. C8H8 b. C9H18 c. C5H9 d. C5H8 e. C8H18