Internal energy in thermodynamics is the same as
A) temperature.
B) thermal energy.
C) heat.
D) all of the above
Answer: B
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The performance per unit cost for stiffness of a plate in bending that is not weight critical is given by
(a) E/CV (b) E?/CV (c) E½/CV (d) E?/CV
If we allow for moisture loss due to a moist greenhouse effect, the inner boundary of the Sun's habitable zone would be
A) just inside the orbit of the Earth B) roughly halfway between the orbits of Venus and Mercury C) roughly halfway between the orbits of the Earth and Venus D) just outside the orbit of the planet Mercury
An automobile air bag
a. increases the contact time in stopping a person. b. reduces the impact force in a collision. c. increases the surface area of the impact force. d. does all of the above.
Which feature of this plot indicates that the neutrino has a very small rest mass?
a. The location of the peak near a kinetic energy of 0.2. b. The overall slope between the peak and the maximum kinetic energy. c. The value of the maximum kinetic energy. d. The brief upward slope initially of the curve. e. The absence of any events for large values of the kinetic energy.