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In designing rotating space stations to provide forartificial-gravity environments, one of the constraints that mustbe considered is motion sickness. Studies have shown that thenegative effects of motion sickness begin to appear when the rotational motion is faster than approximately 2.25 revolutions per minute. On the other hand,the magnitude of the centripetal acceleration at the astronauts'feet should equal the magnitude of the acceleration due to gravityon earth. Thus, to eliminate the difficulties with motion sickness,designers must choose the distance between the astronaut's feet andthe axis about which the space station rotates to be greater than acertain minimum value. What is this minimum value?
Each summer along the Oregon coast there is a contest for archers. People line the beaches and wait for a low-flying airplane to pass overhead loaded with goodies.
What is the potential drop within the battery if the internal resistance is 4.3ohms and a current of 2.7 ampere is passed through it
If a force vector has a magnitude of 2.61 newtons and points 64.5 degrees south of east, then what is its x-component?
q1. 0.55 kg block of ice is sliding through you on the very slippery floor at 3.6 ms. as it goes by you give it a kick
A model of a red blood cell portrays the cell as a spherical capacitor a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t. Estimate the capacitance of the cell
you want to design a cyclotron whose maximum magnetic field is1.0T and maximum radius is 0.5m. determine the cyclotron frequency for this machine
A spectral line from the left side of Saturn's rings, as you see them, Which way (direction) is Saturn rotating, and why
Four charges are placed at the corners of a square with sides of1.0m each. The charges at the corner of the square are 125C, 225C,425C, and 375C. What is the magnitude of the electric field at the center of the square?
A bird stands on a dc electric transmission line carrying 3200A. What is the potential difference between the bird's feet
A cowboy at a dude ranch fills a horse trough that is 1.50m long, 65cm wide and 45cm deep. He uses a 2cm diameter hose from which water emerges at 1.50m/s.
A 9.00 kg point mass and a 15.0 kg point mass are held in place 50.0 cm apart. A particle of mass m is released from a point between the two masses 19.0 cm from the 9.00 kg mass along the line connecting the two fixed masses.
Under certain conditions, the human body can withstand an acceleration of 10 g's. What is the net force (in Newtons) acting on a person weighing 154 pounds
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