Laboratory Instruments

A centrifuge used for testing human tolerance to acceleration has a gondola at a distance of 16 m from the vertical axis of rotation. What speed is required to produce a horizontal acceleration of 11 g(acceleration due to gravity)? (Show the computations)

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Ok, there are three problems: 1) A centrifuge accelerates from rest to 11,000 rpm in 200 s. Through how many revolutions did it turn in this time? 2) A wheel 75.0 cm in diameter accelerates uniformly from 240 rpm to 350 rpm in 5.5 s. How far will a point on the edge of the [...]

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A centrifuge in a medical laboratory rotates at an angular speed of 3400 rev/min. When switched off, it rotates through 52.0 revolutions before coming to rest. Find the constant angular acceleration of the centrifuge. _____ rad/s^2 ????

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Particles 10 cm from the axis of rotation of a centrifuge experience an acceleration of 10,000g. The speed of rotation in m/s is: (a) 98000 (b) 99 (c) 100000 (d) 1000 **Please show me how you got the answer **

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A centrifuge in a medical laboratory rotates at an angular speed of 3450 rev/min. When switched off, it rotates through 46.0 revolutions before coming to rest. Find the constant angular acceleration of the centrifuge. rad/s2

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To analyze a blood sample, a research lab needs to produce a radial force of 450 N on the platelets in a blood sample. To do this they plan to use a centrifuge that has a radius 0.325 m for the test tube holder containing the blood. If an individual platelet has a mass of [...]

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a centrifuge used to train jet fighter 5 designed to simulate very fast turns. If the trainees are rotated in a horizontal circle of radius 50 m and experience an experience an acceleration equivalent to 5 times the force of gravity (5ag) How fast is the trainees rotating?

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To withstand “g-forces” of up to 10 g’s, caused by suddenly pulling out of a steep dive, fighter jet pilots train on a “human centrifuge.” 10 g’s is an acceleration of 98m/s2. If the length of the centrifuge arm is 10m , at what speed is the rider moving when she experiences 10 g’s?

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What angular speed (in revolutions per minute) is needed for a centrifuge to produce an acceleration of 1210 times the gravitational acceleration 9.8 m/s2 at a radius of 13 cm? Answer in units of rev/min.

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A centrifuge rotor rotating at 10,000 rpm is shut off and is eventually brought uniformly to rest by a frictional torque of 0.80 m·N. If the mass of the rotor is 4.80 kg and it can be approximated as a solid cylinder of radius 0.0710 m, through how many revolutions will the rotor turn before [...]

Tags: Physics, Revolutions