How did Newton clarify prior laws of planetary motion? What will be an ideal ...

Answer to q. 1

Newton's understanding of gravity allowed him to explain why the planets obey Kepler's laws of planetary motion. His work finished the transformation of what were once considered the mysterious wanderings of the planets into understandable motions that follow simple rules. In fact, his discovery of gravity explained something else that had mystified philosophers for millenniathe ebb and flow of ocean tides.

Answer to q. 2

Interstellar dust obscures most of the light from the galactic center and blocks light from many parts of the disk. Until modern telescopes were able to look at other parts of the electromagnetic spectrum, the galaxy could not be studied and understood in detail.

Answer to q. 3

Speed is the pace at which an object moves through a distance (regardless of direction).Velocity is the pace at which an object moves through a distance, including a specific direction. Acceleration is the rate at which an object's velocity changes. The distinguishing feature between speed and velocity is that speed does not include a direction, whereas velocity specifies a direction.

Answer to q. 4

metals
metal

Answer to q. 5

Aristotle believed that objects fall downward because they are moving toward their proper place. That is one reason why Aristotle's universe had to be geocentric. His explanation of gravity  why things fall down  only works if the center of Earth is also the center of the Universe.

Answer to q. 6

radio

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