The notation s?1 means the same thing as
a. 1/s. b. Hz.
c. per second. d. none of the above
a, b, c
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The Heisenberg uncertainty principle places restriction on the precision of simultaneously measuring both position and momentum. This principle can also be applied to the simultaneous measurement of two other variables, which are
a. force and color. b. energy and time interval. c. mass and charge. d. torque and frequency.
If two protons are heading toward one another at 0.800 c in the laboratory frame, what is the kinetic energy of one proton in the frame of reference of the other proton?
A. 3.13 GeV B. 5.56 GeV C. 1.56 GeV D. 2.50 GeV E. 3.34 GeV
The color of a firework comes from the glowing of
A) molecules. B) atoms. C) gun powder. D) laser light.
A plant that is 4.1 cm tall is 10.3 cm from a converging lens. You observe that the image of this plant is virtual and 6.2 cm tall. What is the focal length of the lens?
A) 16 cm B) 30 cm C) -30 cm D) 6.8 cm E) -16 cm