Physics 221 Test #4A Sample

# Physics 221 Test #4A Sample - Physics 221 Sample Test#4...

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Sample Test #4 Multiple Choice: Answer each of the following by filling in the appropriate circle on the accompanying opscan sheet. Be sure to read each question carefully and use the blue side of the answer sheet. 1) You think North Carolina is hot in the Summer? You should try the second planet from the Sun, Venus with its mean surface temperature of 450 ° C. What would this be on the Fahrenheit scale? A) 232 ° F B) 1020 ° F C) 842 ° F D) -55 ° F 2) You think North Carolina is cold in the Winter? You should try the last planet in the solar system, Pluto with its mean surface temperature of -390 ° F. What would this be on the Kelvin scale? A) -234 ° K B) 38 ° K C) -4.0 ° K D) 422 ° K 3) Here’s a tricky one, be careful. The weatherman said that when the front moves through there would be a 20 ° F temperature drop. What would this drop be on the Celsius scale? A) 11 ° C B) –6.7 ° C C) 68 ° C D) 36 ° C 4) Which of these cannot be used to measure heat energy? A) Calorie B) Joule C) B.T.U. D) Watt 5) Temperature is A) a measure of the total internal energy in an object. B) a measure of the velocity of the atoms which make up the object. C) the same as heat. D) none of these. 6) You buy a 2.25kg bag of ice. How much thermal energy does the ice absorb as it melts? A) 9,419J

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Physics 221 Test #4A Sample - Physics 221 Sample Test#4...

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