Compute the probability that battery lasts longer
Supposed that battery failure time, measured in hours, has a probability density function give by f(x)=2/(x+1)3. Compute the probability that battery lasts longer than 5 hrs?
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A proton (mass m = 1.673 E-27 kg) is bound in a finite square well of width 4fm. The depth of the well is six times the ground-level energy of the corresponding infinite depths well. a.) what is the wavelength of a proton that can be absorbed to e
List the uncertainties and categorize them as systematic or random. Calculate the uncertainty in a measurement of 3.20 kg by this instrument.
A researcher randomly selects 15 bulbs for testing. The sampled bulbs last an average of 290 days, with a standard deviation of 50 days. If the CEO's claim were true, what is the probability that 15 randomly selected bulbs would have an average li
A gas within a piston-cylinder assembly undergoes a thermodynamic cylce consisting of three processes. process 1-2: compression with pV=constant, from p1=1bar , V1= 2m^3, V2= 0.2m^3, U2-U1=100kJ, process 2-3:
(a) What is the tangential acceleration of a bug on the rim of a 12.0-in.-diameter disk if the disk accelerates uniformly from rest to an angular speed of 80.0 rev/min in3.50 s?
A flue passing hot exhaust gases has a square cross section, 300mm to a side. The walls are constructed of refractory brick 150mm thick with a thermal conductivity of 0.85 W/m*K.
In a cheese factory, 5.0 kg blocs of cheese are cut manually. For a large number of blocks, the standard deviation of the cutting process is measured and found to be 0.11 kg. The measurement was done with a scale with an accuracy of 1.0 % of the f
What is the minimum flow rate of water required to scrub out 90.0% of the incoming NH3? L/hr. What is the mole fraction of NH3 in the scrubbed waste gas stream? mol NH3/mol waste gas.
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