A tuning fork is sounded above a resonating tube one end
A tuning fork is sounded above a resonating tube (one end closed) which resonates at a length of 0.32 m and again at 0.91 m. What is the frequency of the fork (in Hz) when the speed of sound is taken to be 340 m/s?
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Design a common collector circuit using a npn silicon transistor having Beta=90 with Vcc=20 V The desired Q-point is Vce=14V and Ie=2mA
Bill plans to have $1,200,000 for his retirement in 40 years. How much should he save annually if he thinks he can earn an average of 6% a year on his investments?
At 1478 oC the equilibrium constant for the reaction: 2 IBr(g) ? I2(g) + Br2(g) is KP = 0.899. If the initial pressure of IBr is 0.00169 atm, what are the equilibrium partial pressures of IBr, I2, and Br2? p(IBr) = . p(I2) = . p(Br2) = .
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A tuning fork is sounded above a resonating tube (one end closed) which resonates at a length of 0.32 m, What is the frequency of the fork
The following equilibrium is established: 1 H2O(g) + 1 CH4(g) ? 1 CO(g) + 3 H2(g) At equilibrium 0.03264 mol of CH4 is found in the reaction mixture. (a) Calculate the equilibrium partial pressures of H2O, CH4, CO, and H2. Peq(H2O) = . Peq(CH4) =
Tom Swift's new project has a projected return of 11.9%. The risk-free return is 10% and the market risk premium is 5%. All firms have a marginal tax rate of 40%. Tom Swift's before-tax cost of debt is 13%.
At 7645 oC, Keq = 1.12 for the reaction: 1/2 N2(g) + 1/2 O2(g) ? NO2(g) (a) What is the value of Keq for the reaction NO2(g) ? 1/2 N2(g) + 1/2 O2(g)? Keq = . (b) What is the value of Keq for the reaction N2(g) + O2(g) ? 2 NO2(g)? Keq = . (c) What
Ponzi Corporation has bonds on the market with 11.5 years to maturity, a YTM of 7.20 percent, and a current price of $1,054. The bonds make semiannual payments.
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