Which of the following types of electromagnetic radiation has the highest frequency?
a. X-rays
b. visible light
c. radio
d. gamma rays
e. infrared radiation
d
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Conversion of Units: The following conversion equivalents are given:1.0 m = 100 cm 1.0 in = 2.54 cm 1.0 ft = 12 inIf a bin has a volume of 1.5 m3, the volume of the bin, in ft3, is closest to
A. 35 ft3. B. 41 ft3. C. 47 ft3. D. 53 ft3. E. 59 ft3.
Where would a brown dwarf be located on an H-R diagram?
A) below and to the right of the lowest part of the main sequence B) above and to the left of the highest part of the main sequence C) in the upper right corner of the H-R diagram D) in the lower left corner of the H-R diagram
On the earth, when an astronaut throws a 0.250-kg stone vertically upward, it returns to his hand a time T later. On planet X he finds that, under the same circumstances, the stone returns to his hand in 2T
In both cases, he throws the stone with the same initial velocity and it feels negligible air resistance. The acceleration due to gravity on planet X (in terms of g) is A) g/4. B) g/2. C) g/ . D) g . E) 2g.
A figure skater is spinning slowly with arms outstretched. She brings her arms in close to her body and her moment of inertia decreases by 1/2. By what factor does her rotational kinetic energy change?
A) 2 B) 4 C) D) 1/2 E) It doesn't change.