An avalanche of ice and snow of mass 2500 kg slides a vertical distance of 160 m down a mountainside. If the temperature of the ice, snow, mountain, and surrounding air are all at 0°C, what is the change in entropy of the universe?
a. 14,000 J/K
c. 1400 J/K
b. 10,000 J/K
d. 1100 J/K
A
Physics & Space Science
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At a rock concert, if the speakers are placed on the floor instead of higher up on a tower, state if the intensity of the sound you would hear, from the same distance away, is the same or different and why
What will be an ideal response?
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A 10-N falling object encounters 10 N of air resistance. The net force on it is
A) 0 N. B) 4 N. C) 6 N. D) 10 N.
Physics & Space Science
On a weather map we see an H for Highs and an L for Lows. In a high pressure region we generally can find
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Physics & Space Science