The symbol for deuterium is . How many protons are there in a deuterium nucleus?
What will be an ideal response?
1
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A quantity that is a measure of how the distance traveled changes with time is
A. acceleration. B. velocity. C. force. D. speed. E. momentum.
The work you do when pushing a shopping cart twice as far while applying the same force is
A) half as much. B) twice as much. C) four times as much. D) the same amount.
In a two-slit experiment, monochromatic coherent light of wavelength 600 nm passes through a pair of slits separated by 2.20 × 10-5 m. At what angle away from the centerline does the second dark fringe occur?
A) 4.70° B) 3.51° C) 3.94° D) 1.17° E) 2.34°
Weight and g: The radius of the earth is R. At what distance above the earth's surface will the acceleration of gravity be 4.9 m/s2?
A. 0.41 R B. 0.50 R C. 1.00 R D. 1.41 R E. 0.25 R