A circular space station (shaped like a big wheel) rotates to produce “artificial gravity”. The apparent weight of an astronaut standing on the inside surface of the outer wall is equal to her weight on earth. The inside surface of the outer wall of the space station is 285m from the axis of rotation. What is the period of rotation of the station?
A. 92 s
B. 34 s
C. 213 s
D. 183 s
B. 34 s
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If a star's temperature increases in its interior, then more nuclear reactions will occur to push the star outward and its temperature will drop, causing the star to contract and eventually return to equilibrium
a. True b. False Indicate whether the statement is true or false
Galileo's observations of the entire phase cycle of Venus proved that Ptolemy's epicycles could not be correct in keeping Venus between us and the Sun
Indicate whether the statement is true or false
Dark matter had no effect on the distribution of matter in the early universe
Indicate whether the statement is true or false
Quantization of electron energy states in an atom is better understood in terms of the electron's
A) wave nature. B) particle nature. C) neither of these