How much work must be done by frictional forces in slowing a 1000-kg car from 26.1m/s to rest?
A) 4.09 × 105 J B) 3.41 × 105 J C) 2.73 × 105 J D) 4.77 × 105 J
B
Physics & Space Science
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Which of the other terrestrial planets is closest in size to Earth?
A. Venus B. Mars C. the Moon D. Mercury
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The inductive reactance of a 20-mH inductor at a certain frequency is 120 ?. What is the frequency in rad/s?
A) 2000 rad/s B) 4000 rad/s C) 5000 rad/s D) 6000 rad/s E) 7000 rad/s
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The erosion process begins with
a)permafrost. b)meandering. c)landslides. d)weathering.
Physics & Space Science
Describe two sources from which minerals can crystallize
What will be an ideal response?
Physics & Space Science