When the voltage across a steady resistance is doubled, the current
A) is half.
B) remains the same.
C) is doubled.
D) is quadrupled.
Answer: C
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Room temperature is approximately
A) 68. K. B) 300.°F. C) 300. K. D) 68.°C. E) -68.°F.
Without greenhouse gases, Earth's surface would be frozen over
Indicate whether the statement is true or false
A 3.0-kg block slides on a frictionless 20° inclined plane. A force of 16 N acting parallel to the incline and up the incline is applied to the block. What is the acceleration of the block?
a. 2.0 m/s2 down the incline b. 5.3 m/s2 up the incline c. 2.0 m/s2 up the incline d. 3.9 m/s2 down the incline e. 3.9 m/s2 up the incline
The San Andreas fault
A) stretches from the Gulf of California to Cape Mendocino, California, and separates the Pacific Plate from the North American Plate. B) accommodates all the motion between the Pacific Plate and the North American Plate. C) is presently inactive. D) all of the above