During the period of one day, the number of high tides at a given point is about
a. one
b. two
c. three
d. four
e. none of the above
B
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What type of electromagnetic radiation does Chandra collect?
a. visible light b. ultraviolet c. microwave d. infrared e. X-ray
A potential energy function is given by U(x) = ( 3.00 N/m)x - ( 1.00 N/m3)x3. At what position or positions is the force equal to zero?
A) m and - m B) 0.00 m, m and - m C) 1.00 m and -1.00 m D) 3.00 m and -3.00 m E) The force is not zero at any location.
Which of the following statements is true (only one):
a. The growth rate of energy consumption has kept pace with GNP growth. b. Oil use has expanded more than any other fuel since 1940. c. We reached the point last year where we imported no oil. d. Electricity use has actually fallen since 1975.
Which of the following equations is the correct equation for converting a temperature in kelvins to the equivalent temperature on the Fahrenheit scale?
A.
B.
C.
D.
E.