Why does a hot air balloon rise?
a. the weight of the air displaced by the balloon is l...
Physics, 04.12.2019 10:31 juancarlosguevpdppo5
Why does a hot air balloon rise?
a. the weight of the air displaced by the balloon is less than the volume of the balloon.
b. the weight of the balloon is less than the weight of the air displaced by the balloon.
c. the volume of the air displaced by the balloon is less than the volume of the balloon.
Answers: 1
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Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?
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