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If a bicyclist travels at 15 km/hr, how long will it take her to travel 30 km?
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Unpolarized light of intensity so passes through two sheets of polarizing material whose transmission axes make an angle of 60∘ with each other as shown in the figure. what is the intensity of the transmitted beam, st?
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If a bicyclist travels at 15 km/hr, how long will it take her to travel 30 km?...
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