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Physics, 22.06.2019 06:30
In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant
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Physics, 23.06.2019 00:00
The horizontal blue line through the middle of the lens is called the optical axis. as the lamp is moved above or below the axis, keeping the horizontal distance to the center of the lens constant, how does the horizontal distance from the lens to the image change?
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Physics, 23.06.2019 00:00
What is the difference between mass density and weight density?
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Physics, 23.06.2019 01:00
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Answers: 2
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