The Milky Way is simply our edge-on view of our home Galaxy
Indicate whether the statement is true or false
TRUE
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A Carnot cycle engine operates between a low temperature reservoir at 20°C and a high temperature reservoir at 800°C. If the engine is required to output 20.0 kJ of work per cycle,
how much heat must the high temperature reservoir transfer to the engine during each cycle? A) 27.5 kJ B) 73.2 kJ C) 39.2 kJ D) 800 kJ E) 20.5 kJ
If a star collapses to a tenth its size, gravitation at its surface increases by
A) ten. B) twenty. C) one hundred. D) one thousand. E) more than one thousand.
Specific Heat: Object 1 has three times the specific heat capacity and four times the mass of Object 2. The two objects are heated from the same initial temperature, T0, to the same final temperature Tf. During this process, if Object 1 absorbs heat Q, the amount of heat absorbed by Object 2 will be
A. 12Q.
B. 6Q.
C. 
Q.
D. 
Q.
E. 
Q.
Constant Angular Acceleration: A turntable 45 cm in diameter starts from rest and makes its first complete revolution in 3.4 s with constant angular acceleration. If it maintains the same acceleration, how long will it take the turntable to make its second complete revolution?
Fill in the blank(s) with the appropriate word(s).