As a system loses the ability to do work, its entropy decreases
Indicate whether the statement is true or false
FALSE
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The astronaut's experiment with the hammer and the feather illustrate that:
a. hammers and feathers have the same mass on the Moon. b. hammers and feathers have the same weight on the Moon. c. objects of different size, shape, and mass fall at the same rate in a vacuum. d. the absence of air on the Moon results in different rules of physics. e. there is no gravity on the Moon.
An 8000 kg satellite is launched from the surface of the earth, and injected into outer space a long distance from the earth. The initial velocity needed to launch the satellite into outer space is 
A. 8,450 m/s. B. 9,200 m/s. C. 11,180 m/s. D. 18,900 m/s. E. 25,200 m/s.
The local solar time at 75°W is 12:00 noon. What is the longitude of an observer who sees the full moon on her meridian at this time?
A heavy weight is supported by two cables that exert tensions of magnitude
and 
. Which statement is correct?
?
?
a..
b.
c.
d.
e.
We need the mass of the box in order to determine the correct answer.