09/13/21

Physics question
A car is stopped at a red light. Meanwhile, a truck is approaching the stoplight at a constant velocity of 15 m/s, making it just when the light turns green. When the light turns green, the car... more
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10/08/16

What is the ratio of the intensity of light emerging from the third polarizer, I3, to the intensity of light incident on the first polarizer, I0?
A beam of initially unpolarized light passes through a sequence of three ideal polarizers. The angle between the axes of the first and second polarizers is 16.9°, and the angle between the axes of... more
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12/28/15

Since raindrops grow as they fall, their surface area increases and therefore the resistance to their falling increases. A raindrop has an initial downward velo
Since raindrops grow as they fall, their surface area increases and therefore the resistance to their falling increases. A raindrop has an initial downward velocity of 10 m/s and its downward... more
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12/13/15

What mass of HgBr2 can be produced from the reaction of 5.00mL mercury (density= 13.6g/ml) and 5.00mL bromine (density= 3.10g/ml)?
Is Hg the limiting reactant? 
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