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Physics, 21.06.2019 22:30
Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?
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An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
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The ability to make things happen is also called a. heat b. force c. matter d. energy
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Physics, 23.06.2019 11:00
Mr. polifka does a demonstration in science class. he holds an unlit match six inches above a candle flame. after a while, the match bursts into flame.
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A round coin has a diameter of 19.55 mm, a thickness of 1.55 mm, and a mass of 2.50 g. What is its d...
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