Physics, 02.02.2022 14:00 adwinajames
The water side of the wall of an 80-m-long dam is a quarter circle with a radius of 8 m. If the water has a density of 1000 kg/m3 throughout, determine the hydrostatic force on the dam and its line of action when the dam is filled to the rim.
Answers: 1
Physics, 22.06.2019 13:40
Consider a double atwood machine constructed as follows: a mass 4m is suspended from a string that passes over a massless pulley on frictionless bearings. the other end of this string supports a second similar pulley, over which passes a second string supporting a mass of 3m at one end and m at the other. using two suitable generalized coordinates, set up the lagrangian and use the lagrange equations to find the acceleration of the mass 4m when the system is released. explain why the top pulley rotates even though it carries equal weights on each side.
Answers: 2
Physics, 22.06.2019 17:00
(a) if the pressure in gas is doubled while its volume is held constant, by what factor do (i) vrms and (ii) change? (b) is it possible to boil water at room temperature (20oc) without heating it? explain.
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Physics, 23.06.2019 01:30
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Answers: 3
The water side of the wall of an 80-m-long dam is a quarter circle with a radius of 8 m. If the wate...
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