Probability that the total round-off error exceeds
Round-off error has a uniform distribution on [-0.6, 0.6] and round-off errors are independent. A sum of 40 numbers is calculated where each is rounded before adding. what is the probability that the total round-off error exceeds 4?
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A potential difference of 3.00 V will be applied to a 45.00 m length of 18-gauge silver wire (diameter = 0.0400 in). a) Calculate the current. b) Calculate the magnitude of the current density.
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A radio antenna radiates 9.73 W of power at 248 Hz. How many photons per second are emitted by the antenna? Planck's constant is 6.63*10^-34 J*s. Answer in units of photons/s.
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Develop a double pipe heat exchanger, specifying velocities, mass flowrates, length and inlet and outlet temperatures. Also calculate the pressure drop for each fluid.
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Find the cycle thermal efficiency and the power output in MW of if the steam mass flow rate is 5x10^6lbm per hour.
Why do chemists prefer to read and record the absorbance, rather than the percent transmittance, of light (electromagnetic radiation) when analyzing a sample having a visible color?
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