While white dwarfs have a density a million times that of normal matter, neutron stars are a ________ times denser than even white dwarfs
Fill in the blank(s) with correct word
billion
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The index of refraction for crown glass, common in eyeglasses, is 1.52. The index of refraction of a particular plastic lens is 1.76. Light bends more in the
A) crown glass. B) plastic lens. C) same speed in each. D) need more information
In a 2-dimensional Cartesian system, the y component of a vector is known, and the angle between vector and x axis is known. Which operation is used to calculate the magnitude of the vector (taken with respect to the y component)?
a. dividing by cosine c. multiplying by cosine b. dividing by sine d. multiplying by sine
A heat map is an analytical tool that uses color to represent data.
Answer the following statement true (T) or false (F)
Normal atmospheric pressure is
a. 14.7 psi b. 1 N/m2 c. zero d. 760 mm of mercury e. 101,000 pascals f. none of the above