Arrange the following from smallest to largest.
A. mC, ?C, nC, pC
B. ?C, mC, pC, nC
C. nC, pC, mC, ?C
D. pC, nC, ?C, mC
E. nC, pC, ?C, mC
D. pC, nC, ?C, mC
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What is the period of a wave described by the following function: y(x,t) = (2.00 m)cos[(3.00 m-1)x + (5.00 s-1)t]
A) 0.333 s B) 0.200 s C) 5.00 s D) 1.26 s E) 2.09 s
Sirius, the brightest star in the night sky, is actually a binary star system. Sirius A is main-sequence star and Sirius B is a white dwarf. Nearly all the visible light we see from Sirius comes from Sirius A. But when we photograph the system with x-ray light, as shown here, Sirius B is the brighter of the two stars. Why?
A) As a white dwarf, Sirius B is much hotter than Sirius A and thus emits more x-rays. B) As a white dwarf, Sirius B is too small to emit visible light but not too small to emit x-rays. C) Sirius B is brighter in x-rays because it is a nova. D) Sirius B is brighter in x-rays because it is a white dwarf supernova.
Suspend your body from a pair of vertical ropes and the tension in each rope will be
A) half your weight. B) equal to your weight. C) greater than your weight. D) none of the above
A wiggle in both space and time is a
A) vibration. B) wave. C) both of these D) neither of these