In a two-dimensional Cartesian coordinate system the y-component of a given vector is equal to that vector's magnitude multiplied by which trigonometric function, with respect to the angle between vector and y-axis?
a. sine
b. cosine
c. tangent
d. cotangent
b
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The planet whose pole was facing the Sun when Voyager 2 approached in 1986 was:
A) Jupiter. B) Saturn. C) Uranus. D) Neptune. E) Mars.
The science of increasing the strength of materials is the science of controlling the structure and _____________in materials.
Fill in the blank(s) with the appropriate word(s).
The unit V is the same as a
A. N/m. B. J/N. C. C/m. D. J/C. E. C/N.
A ray of light, which is traveling in a vacuum, is incident on a glass plate (n = ng). For increasing angles of incidence, the angle of refraction
A) increases, approaching the limiting value of 90°. B) decreases, approaching the limiting value of zero degrees. C) increases, approaching the limiting value of sin-1 (1/ng) degrees. D) increases, approaching the limiting value of sin-1 (ng) degrees.