Physics, 17.03.2020 23:34, Laylahlettiere

How does the distance the Earth is from the Sun affect its orbit?

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Physics, 22.06.2019 04:00, mathnation1

If steel is more dense that lake water, why can a boat float

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Physics, 22.06.2019 10:30, zoebtharpe

An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.

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Physics, 22.06.2019 11:20, puppylove899

Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .

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Physics, 22.06.2019 11:30, ramirezzairap2u4lh

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 = 2.1 m below the tank bottom which is a = 7.4 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)