In the formula v2 = vo2 + 2 a x, what does x represent?
What will be an ideal response?
The CHANGE in POSITION, which is NOT necessarily the distance gone.
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Earth circles the Sun in _____
A) 365.26 days B) 363.25 days C) 366.75 days D) 364.26 days
The cosmological principle states that any observer in any galaxy sees the same general properties for the Universe
a. True b. False Indicate whether the statement is true or false
The Milky Way Galaxy contains about ________ stars. Most of these stars are probably ________.
A. 100 billion; red giants B. 10 billion; white dwarfs C. 100 billion; cool dwarfs D. 100 billion; O and B type stars
Why is Isaac Newton sometimes said to have "united the heavens and Earth"?
A) Because he caused the scientific community to accept the idea that Earth is just one planet orbiting the sun like the other planets. B) Because Newton's law of conservation of energy seems to apply throughout the universe. C) Because he discovered that the energy processes that power the sun also operate on Earth. D) Because Newton's law of gravity seems to apply throughout the universe. E) Because of the fact that there are no exceptions to the laws of thermodynamics.