Except for Io, the other three Galilean satellites have periods of rotation and revolution that are ________
Fill in the blank(s) with correct word
equal
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A visual binary star system has rotation period, P = 10 years. The semi-major axis of the orbit of one of the stars is 5 AU. What is the combined mass of the binary star system?
A. 40 solar masses B. 0.4 solar masses C. 8 solar masses D. 4 solar masses E. 200 solar masses
An AC generator consists of 6 turns of wire. Each turn has an area of 0.040 m2. The loop rotates in a uniform field (B = 0.20 T) at a constant frequency of 50 Hz. What is the maximum induced emf?
A. 13 V B. 2.4 V C. 3.0 V D. 15 V E. 4.8 V
The first scientist to determine that the orbits of the planets are ellipses was
A. Kepler. B. Newton. C. Ptolemy. D. Copernicus. E. Galileo.
The solar corona is much cooler than the Sun's surface; hence, we must wait for a total solar eclipse to glimpse it with the naked eye
Indicate whether the statement is true or false