A concave mirror has a focal length of 20 cm. What is the position (in cm) of the resulting image if the image is inverted and four times smaller than the object?
a. 15
b. 25
c. 50
d. 100
e. -15
B
Physics & Space Science
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An object of mass 2 kg has a speed of 8 m/s and moves a distance of 6 m. What is its kinetic energy in joules?
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Mass can flow from one star in a binary system to its companion through the first ____________________ point
Fill in the blank(s) with correct word
Physics & Space Science
CFCs are
a. alcohols. b. hydrocarbons. c. alkyl halides. d. amides.
Physics & Space Science
What is the largest object found between Mars and Jupiter?
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Physics & Space Science