At a particular instant, a stationary observer on the ground sees a package falling with speed v1 at an angle to the vertical. to a pilot flying horizontally at constant speed relative to the ground, the package appears to be falling vertically with a speed v2 at that instant. what is the speed of the pilot relative to the ground?
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Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?
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At a particular instant, a stationary observer on the ground sees a package falling with speed v1 at...
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