Physics, 21.06.2020 04:57 jetblackcap
A future use of space stations may be to provide hospitals for severely burned persons. It is very painful for a badly burned person on Earth to lie in a bed. In a space station, the effort of gravity can be reduced or eliminated. With what period of rotation would a doughnut-shaped hospital of 200 m. radius have to rotate, if persons on the outer perimeter are to experience 1/10 the gravity effect of Earth?
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Physics, 21.06.2019 18:00
Ineed extreme for task 2. my student number is 571721. many to whoever solves this correctly, im in debt to you.
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Physics, 22.06.2019 03:30
The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
Answers: 3
Physics, 22.06.2019 12:10
Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?
Answers: 2
Physics, 23.06.2019 07:30
Which of the following characteristics is fixed, or definite, for all states of matter?
Answers: 2
A future use of space stations may be to provide hospitals for severely burned persons. It is very p...
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