Engineering, 29.11.2019 03:31 kiekie1986
Ahollow, spherical shell with mass 2.00kg rolls without slipping down a slope angled at 40.0? .
a) find the acceleration.
b) find the friction force.
c) find the minimum coefficient of friction needed to prevent slipping.
Answers: 3
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Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.
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Water at 70°f and streams enter the mixing chamber at the same mass flow rate, determine the temperature and the quality of the exiting stream. 0 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia. if both streams enters the mixing chamber at the same mass flow rate, determine the temperature and the quality of the existing system.
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Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
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At 12 noon, the count in a bacteria culture was 400; at 4: 00 pm the count was 1200 let p(t) denote the bacteria cou population growth law. find: (a) an expression for the bacteria count at any time t (b) the bacteria count at 10 am. (c) the time required for the bacteria count to reach 1800.
Answers: 1
Ahollow, spherical shell with mass 2.00kg rolls without slipping down a slope angled at 40.0? .
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