Physics, 20.11.2019 23:31, dinapaul424
A12-inch object is placed 30 inches in front of a plane mirror. a ray of light from the object strikes the mirror at a 45-degree angle. how tall is the image produced by the mirror?
a) 12 inches
b) 30 inches
c) 24 inches
d) 45 inches
Answers: 2
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Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
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A12-inch object is placed 30 inches in front of a plane mirror. a ray of light from the object strik...
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