Which of the following places is the result of volcanoes erupting over a hot spot in the mantle?
A) Hawaii
B) the Himalayas
C) the Appalachians
D) California
A) Hawaii
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What is the relationship between color and wavelength for light?
a. Wavelength increases from blue light to red light. b. Wavelength decreases from blue light to red light. c. All colors of light have the same wavelength. d. Wavelength depends on intensity not color.
Young open clusters contain a lot of hot, young blue-white stars
Indicate whether the statement is true or false
A motionless object could have
A) elastic energy. B) kinetic energy. C) speed. D) All of the above. E) None of the above.
A circuit containing an AC generator, a capacitor, an inductor, and a resistor has a high-Q resonance at 1 000 Hz. From greatest to least, rank the following contributions to the impedance of the circuit at that frequency and at lower and higher frequencies. Note any cases of equality in your ranking
(a) XC at 500 Hz (b) XC at 1 500 Hz (c) XL at 500 Hz (d) XL at 1 500 Hz (e) R at 1 000 Hz
1.(c) > (d) > (a) > (e) > (b) 2.(a) > (d) > (b) > (c) > (e) 3.(b) > (c) > (a) > (d) > (e) 4.(d) > (a) > (e) > (c) > (b)