Which of the following statements best describes the line of stability?
e.
N tends to be greater than Z for masses greater than calcium because of the coulomb repulsion.
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The Doppler effect is sensitive only to motion along the line of sight
Indicate whether the statement is true or false
Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart
Half way between the two plates the electric field has magnitude E. If the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates? A) 4E B) 2E C) E D) 0 E) E/2
Buoyancy: A 4.0-kg cylinder of solid iron is supported by a string while submerged in water. What is the tension in the string? The density of iron is 7860 kg/m3 and that of water is 1000 kg/m3.
A. 2.5 N B. 20 N C. 24 N D. 34 N E. 40 N
____________________ clusters of galaxies contain closely spaced galaxies and often contain giant elliptical galaxies and a hot intergalactic medium
Fill in the blank(s) with correct word