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In a large centrifuge used for training pilots and astronauts, asmall chamber is fixed at the end of a rigid arm that rotatesin a horizontal circle. A trainee riding in the chamber of acentrifuge rotating with a constant angular speed of 2.5 rad/sexperiences a centripetal acceleration of 3.2 times the acceleration due to gravity. In a second training exercise, the centrifuge speeds up from rest with a constant angular acceleration. When the centrifuge reaches an angular speed of 2.5rad/s, the trainee experiences a total acceleration equal to 4.8times the acceleration due to gravity.a.) How long is the arm of the centrifuge?b.) What is the angular acceleration of the centrifuge in the second training exercise?
What is mass of the ice cube
When viewed by an observer on the Earth, light from a distant galaxy is Doppler shifted to the red such that the ratio of the unshifted frequency to the observed frequency is 1.8
two cars drive on a straight highway. at time t 0 car 1 passes mile marker 0 traveling due east with a speed of 24.0
A narrow beam containing red (660 nm) and blue (470 nm) wavelengths travels from air through a 2.60 cm thick flat piece of crown glass and back to air again. At what angles do the the two colors emerge from the glass
q1. assume that abc firm has an optimal capital structure comprised of debt preferred stock and common equity. in this
an automobile and train move together along parallel paths at 20.7 ms.the automobile then undergoes a uniform
The peak value of the ac current in a circuit is 6.0 A, and peak value of the ac voltage applied to the circuit is 4.7 V. What is the average power delivered to the circuit?
If the hour and minute hands of an analog clock are aligned at 00:00 (midnight), at what time will they next realign
A 1290-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1805-N crate hangs from the far end of the beam. find the magnitude of the tension in the wire
Block A has a mass of 2 kg and rests on a smooth table. What is the acceleration in m/s2 of the two blocks
Given a charged insulating sphere with radius R and charge density p (rho), calculate the electric potential inside and outside of sphere.
Define the carrier power, total power and sideband power in the AM signal.
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