Physics, 10.01.2020 02:31 iicekingmann
Agate at the bottom of a dam is 10 ft tall by 30 ft wide. the specific weight of the water is 62.4 lbf/ft3. if the water is 50 ft deep, the total force on the gate is most nearly:
Answers: 1
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Jackson is designing a new heater, and he wants to experiment with different thermally conductive materials. which of these materials would be useful in conducting heat?
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Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?
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Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same
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The radioactive isotope of lead, pb-209, decays at a rate proportional to the amount present at time t and has a half-life of 3.3 hours. if 1 gram of this isotope is present initially, how long will it take for 80% of the lead to decay? (round your answer to two decimal places.)
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Agate at the bottom of a dam is 10 ft tall by 30 ft wide. the specific weight of the water is 62.4 l...
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