How much energy remains in the capacitor
An inductor of L=0.7H and a charged capacitor C=5F with Q =20C are connected to each other. How much energy is stored in the capacitor initially? When the current in the circuit is 1/2 its maximum value, how much energy remains in the capacitor?
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Dry air had a CO2 mole fraction of 0.00038 in 2007 (compared with 0.00032 in 1965). Calculate the total mass of CO2 that strikes 1 cm^2 of one side of a green leaf in 1 s in dry air at 25oC and 1.00 atm. Show all calculations.
For N2 at 25oC and 1.00 atm calculate the number of collisions per second made by one molecule; the number of collisions per second per cubic centimeter; compare these values to N2 at 25oC and 1.0*10^-6 torr using the values already calculated Sho
The mass of the sprinkler and cart is M = 350 kg. Calculate the magnitude of the moment that tends to overturn the cart.
Neglecting the variation of T with altitude and using the average surface temperature of 290K and the number average molecular weight of 29 for air, calculate the atmospheric pressure at the top of this mountain. Compare with the observed average
The solenoid carries a current i=7sin(wt) a) what is the magnetic field through the small coil? b) What is the flux though the small coil? c) What is the rate of change of flux through the small coil? d) what is the EMF in the small coil? E) What
Steam at 10,000 kg/h passes through an adiabatic turbine from an initial state of 100 bars, 500 degrees C to a final state of 15 bars and 250 degrees C. Determine the isentropic efficiency.
When the energy in the inductor is 2/3 of its maximum value, what is the voltage across the resistor? The inductor ?
An adiabatic air compressor receives ambient air at 300K and 100 kPa, and compresses it to 1000 kPa. Determine the actual exit air temperature.
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