The modern view of our place in the universe suggests that life elsewhere may be
A) this view gives us no clue of the likelihood of life elsewhere
B) rare
C) common
D) at the center of another, parallel universe
C
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A flywheel, of radius 1 m, is spinning with a constant angular velocity of 2 rad/s. What is the centripetal acceleration of a point on the wheel's rim?
A) 6 m/s2 B) 2 m/s2 C) 4 m/s2 D) 1 m/s2 E) 8 m/s2
Which thermodynamic law says that you cannot convert 100 percent of a heat source into mechanical energy?
A) first law of thermodynamics B) second law of thermodynamics C) third law of thermodynamics D) law of increasing entropy
Two strings are respectively 1.00 m and 2.00 m long. Which of the following wavelengths, in meters, could represent harmonics present on both strings?
a. 0.800, 0.670, 0.500 b. 1.33, 1.00, 0.500 c. 2.00, 1.00, 0.500 d. 2.00, 1.33, 1.00 e. 4.00, 2.00, 1.00
The pressure on your left palm is __________ the pressure on your right palm
Fill in the blank(s) with correct word