Engineering, 27.02.2020 00:55 edginutystudent
The three-dimensional motion of a particle is defined by the position vector: ~r = (Rt cosω n t) ~i + ct~j + (Rt sinω n t) ~k. Determine the magnitudes of the velocity and acceleration of the particle. show that the space curve described by the particle is a conic helix.
Answers: 2
Engineering, 03.07.2019 15:10, margaret1758
If you were designing a bumper for a car, would you prefer it to exhibit elastic or plastic deformation? why? consider the functions of a bumper in both a minor "fender-bender" and a major collision.
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Engineering, 04.07.2019 18:10, qwertylol12345
Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.
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Engineering, 04.07.2019 18:10, mamasbug4285
An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0
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The three-dimensional motion of a particle is defined by the position vector: ~r = (Rt cosω n t) ~i...
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