What is the ratio of the escape speed of a rocket launched from sea level to the escape speed of one launched from Mt. Everest (an altitude of 8.85 km)? The radius of the earth is 6.38 × 106 m
A) 1.0007
B) 1.0014
C) 1.0001
D) 0.9986
E) 0.9993
Answer: A
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Fill in the blank(s) with correct word
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An ideal Carnot engine is operated as a thermodynamic pump to heat a room in the winter
The thermodynamic pump delivers thermal energy to the room at the rate of 47 kJ per second and maintains the room at a temperature of 293 K when the outside temperature is 237 K. The power requirement to run the thermodynamic pump under these operating conditions is closest to A) 9000 W. B) 7100 W. C) 20,000 W. D) 15,000 W. E) 11,000 W.