Two conducting square plates 6.5 cm on a side and separated by 2.3 mm air gap (dielectric constant of air gap is assumed to be 1) is fully charged with a 12.0 V battery. The battery is then disconnected and a dielectric material of dielectric constant 2.3 is inserted.
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Physics, 22.06.2019 15:50
An object with initial temperature 130 ∘ f is submerged in large tank of water whose temperature is 50 ∘ f . find a formula for f ( t ) , the temperature of the object after t minutes, if the cooling constant is k = − 0.2 . remember newton's law of cooling (the rate of change of temperature with respect to time is equal to k times the difference between the temperature of the object and the surrounding temperature) ! : )
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Physics, 22.06.2019 17:20
Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.
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Physics, 22.06.2019 19:30
Water is siphoned from a large tank and discharges into the atmosphere through a 50-mm diameter tube. the end of the tube is b = 2.6 m below the tank bottom which is a = 6.7 m deep, and viscous effects are negligible. determine the maximum height h over which the water can be siphoned without cavitation occurring. atmospheric pressure is 101.4 kpa, and the water vapor pressure is 1.79 kpa (absolute). report your answer in meters to two decimal places.
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Physics, 22.06.2019 23:30
How is the ideal mechanical advantage of a wheel and axle calculated?
Answers: 1
Two conducting square plates 6.5 cm on a side and separated by 2.3 mm air gap (dielectric constant o...
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