What is deuterium?
A) an isotope of hydrogen with one neutron
B) an isotope of hydrogen with two protons
C) a molecule made from two hydrogen atoms
D) a molecule of water with three hydrogen atoms
E) an isotope of hydrogen with a heavier than average proton
A) an isotope of hydrogen with one neutron
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If the Moon rose tonight at 6 PM, then tomorrow it will rise about
A) the same time. B) 7 PM. C) 5 PM. D) dawn. E) midnight.
Find the speed of an ocean wave whose vertical displacement y as a function of time t is given by y(x,t) = 3.7 cos(2.2x - 5.6t), where all quantities are in SI units
A) 2.5 m/s B) 1.9 m/s C) 3.5 m/s D) 4.5 m/s
226 88Ra decays by alpha decay. What are A and Z for the daughter nuclide?
A. 226, 92 B. 222, 92 C. 226, 88 D. 222, 88 E. 222, 86
For an astronaut working outside a spaceship, the greatest loss of heat would occur by means of
a. conduction. b. convection. c. radiation. d. conduction and convection. e. conduction and radiation.