Estimate the minimum energy of the particle
A particle with mass m is confined on a line with length L. With uncertainty principle, estimate the minimum energy of the particle.
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A single-effect evaporator system with thermal recompression is being used to concentrate skim milk from an initial total solids content of 9.5%to 25%. The product feed temperature is 5°C and the evaporation is occurring at 57.38 kPa.
Calculate the number of vacancies per cubic meter in some metal at 688°C. The energy for vacancy formation is 0.87 eV/atom.
The length of conversations between supervisors and workers in a certain manufacturing industry is normally distributed with a mean of 4.0 minutes and a standard deviation of 0.8 minutes.
If a plane wave is reflected from the ocean floor at normal incidence with a level 20 dB below that of the incident wave, what are the possible values of the specific acoustic impedances of the fluid bottom material?
A bike rider has a frontal area of 0.4 m2 and a drag coefficient, CD of 0.9. If he is pedaling at 80 rpm a) what average torque on the crank would he need to keep a steady 20 mph on level ground?
The coefficient of compressibility is 8.0 x10^-7 atm^-1. Estimate the molar volume of Al2O3 at 400 degrees celsius and 10 kbars pressure (10x10^3 atm).
What is the angular separation of two spectral lines of wavelengths 440 nm and 388 nm formed in order m=2 with a 382 line/mm grating? Express the answer in degrees with two decimal places.
How much water (lbm) is required to raise the platform 20 ft by adding heat only? Calculate the total work done by the piston in ft-lbs from state 1 to state 2.
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