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Capacitor with capacitance 6.00 µF, is connected to a resistor with R = 780 O in series, and an emf source of 25.0 V with negligible internal resistance. Initially the capacitor is uncharged and the switch S is in position 1 (switch is open). The switch is then moved to position 2 (switch is close) so that the capacitor begins to charge. (a) what will be the charge on the capacitor a long time after the switch is moved to position 2. (b) after the switch has been in position 2 for 2.0 ms (millisecond), the charge on the capacitor is measured to be 120 µC. What is the value of the resistance R.
If the chest is completely filled with ice, calculate the time for the ice to completely melt. State your assumptions. The enthalpy of fusion for water is 330 kJ/kg.
if ice homogeneously nucleates at -58.5oc calculate the critical radius given values of -3.1 times 108 jm3 and 25 times
If water leaves the basement at 88C, determine the rate of heat loss from the weather.
an air-standard otto cycle has a compression ratio of 7.5. at the beginning of compression p1 85 kpa and t1 305 k.
what is the maximal attainable speed of a bullet in m/s?
calculate the energy for vacancy formation in al given that the equilibrium number of vacancies at room temperature 25
Determine the average luminous exitance of the opaque interior surfaces of the room - what is the reflected component at this point?
a gas is contained ina vertical, frictionless piston cylinder device.the piston has a mass of 4kg and a crossectional area of 35cm^2. a compressed spring is above the piston exerts a force of 60N on the piston .if the atmospheric pressure is 95kpa..
engine room cranea new vessel is being designed to provide a container service between two atlantic ports. the owner
consider a 210mw steam power plant that operates on a simple rankine cycle. steam enters the turbine at 10mpa and 500oc
air enters a compressor operating at steady state with a pressure of 14.7lbfin2 and a volumetric flow rate of 8 ft3s.
Compute the theoretical density of CaF2, which has the fluorite structure. Ionic radii of Ca2+ and F- are 0.100 nm and 0.133 nm respectively.
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