In a calorimetery experiment, a researcher may burn a sample of food, which heats a sample of water. This procedure
illustrates which energy transformation?
A. gravitational potential into kinetic
B. chemical potential into thermal
C. electric potential into gravitational potential
D. elastic potential into chemical potential
Answers: 2
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Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0â with respect to the polarizer, what is the intensity of the light that reaches the photocell?
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If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone
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In a calorimetery experiment, a researcher may burn a sample of food, which heats a sample of water....
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