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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 02:30
Aproton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?
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