The power consumed by the light bulb in watts is

a. 0.05 c. 720
b. 20 d. none of the above


C

Physics & Space Science

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Graphical Addition: If  -  = 0, then the vectors  and  have equal magnitudes and are directed in the same direction.

A. True B. False

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The core of a highly evolved high mass star is a little larger than

A) our solar system. B) our Sun. C) Jupiter. D) Earth. E) a white dwarf.

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When a ball is thrown straight up, the acceleration at its highest point is

A) upward. B) downward. C) zero. D) horizontal. E) minimum.

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The symbol for a certain isotope of strontium is Sr. What is the mass number of this isotope?

A) 38 B) 52 C) 88 D) 90 E) 128

Physics & Space Science