Physics, 31.12.2019 00:31 andrew5182
Suppose we replace the mass in the video with one that is four times heavier. how far from the free end must we place the pivot to keep the meter stick in balance?
50 cm (in the middle)
90 cm (10 cm from the weight)
75 cm (25 cm from the weight)
10 cm
25 cm
Answers: 3
Physics, 22.06.2019 03:30
The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
Answers: 3
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When barack obama was running for president, at a campaign stop he tried to bowl, something he isn't very good at. the media loved it because he threw a gutter ball while they were all watching. this is an example of:
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Suppose we replace the mass in the video with one that is four times heavier. how far from the free...
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