Engineering, 23.10.2019 04:50 jonquil201
Nasa’s ames research center in mountain view, california has a centrifuge built to simulate high-g environments. it spins horizontally in uniform circular motion, with the payload (possibly a human! ) in a box at the end of a 29-foot arm. its maximum rotation rate is 50 revolutions per minute (rpm). (a) what is the centripetal acceleration experienced by an object in the payload box when it is spinning at its maximum rate? (b) how many gs is this acceleration, and could a human survive it (take the maximum survivable g-force to be 8g). (c) what would the rotation rate be to produce this maximum g-force of 8g?
Answers: 2
Engineering, 03.07.2019 14:10, bryneosburn
Line joining liquid phase with liquid and solid phase mixture is known as: a) liquidus b) solidus c) tie line d) none of the mentioned
Answers: 2
Engineering, 04.07.2019 08:10, doggo242
Which of the following is an easy way to remember the modified “x” tire rotation? a. nondrive wheels straight, cross the drive wheels b. drive wheels straight, cross the nondrive wheels c. drive wheels crossed, nondrive wheels straight d. drive wheels crossed, nondrive wheels crossed
Answers: 1
Engineering, 04.07.2019 18:10, ahmedeldyame
Aloaded platform of total mass 500 kg is supported by a dashpot and by a set of springs of effective stiffness 72 kn/m. it is observed that when the platform is depressed through a distance x = 12.5 cm below its equilibrium position and then released without any initial velocity; it reaches its equilibrium position in the shortest possible time without overshoot. find the position and velocity of the loaded platform 0.10 sec. after its release. if a further load of 400 kg is added to the platform, find, i) the frequency of damped vibrations, and i) the amplitude of vibration after 2 complete oscillations, given that the initial amplitude is 15 cm.
Answers: 1
Nasa’s ames research center in mountain view, california has a centrifuge built to simulate high-g e...
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