For what distance should the camera lens be focused
Suppose that you want to take a photograph of yourself as you look at your image in a mirror 3.8 m away.
For what distance should the camera lens be focused?
Express your answer using two significant figures.
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Suppose that you want to take a photograph of yourself as you look at your image in a mirror 3.8 m away. For what distance should the camera lens be focused?
The water beneath a surface rectangle 2.50 nautical miles by 2.90 nautical miles has a depth of 17.0 fathoms. Find the volume of water (in cubic meters) beneath this rectangle.
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Pure nitrogen gas effuses at the rate of 0.311 cm/min while anunknown gas effuses at the rate of 0.133 cm/min under the sameconditions. What is the molecular weight of this(unknown) gas?
A container contains oxygen, neon and helium whose partial pressures are 100 torr, 300 torr and 200 torr respectively. What is the mole fraction of neon?
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