What is the geocentric model of the solar system? a. the thought that the sun is the center of the solar system. b. the belief that the moon is the center of the solar system. c. the idea that the earth is the center of the universe. d. the concept that the sun and stars do not move, but the earth is in constant movement.

C. The idea that the Earth is the center of the universe.

Explanation:

Geocentric model of the Universe states that Earth is at the center of the universe and all the celestial objects are going around it. In this model the Earth was considered to be stationary. Before the Johannes Kepler gave his laws of Planetary Motion, it was widely accepted model of the Universe. Although a lot of astronomers before Kepler supported Heliocentric model (Sun being at the center) they were either outcast by the society or were not able to prove their model correct.

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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