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
Physics & Space Science
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.
Physics & Space Science
When a ball is thrown straight up, the acceleration at its highest point is
A) upward. B) downward. C) zero. D) horizontal. E) minimum.
Physics & Space Science
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