When we analyze situations that involve the kinetic and potential energies of falling objects, we identify the system as e?
1.only the Earth.
2.only the falling object.
3.both the earth and the falling object.
4.none of these.
3
Physics & Space Science
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At totality during the lunar eclipse, the Moon generally appears ________ in color.
A. reddish B. greenish C. yellowish D. bluish
Physics & Space Science
The energy stored in a pile driver is an example of __________ energy
Fill in the blank(s) with correct word
Physics & Space Science
A ball is thrown straight up with a speed of 36 m/s. How long does it take to return to its starting point, assuming negligible air resistance?
A) 3.7 s B) 7.3 s C) 11 s D) 15 s
Physics & Space Science
_________ is the point in Earth's orbit when Earth is closest to the sun
Fill in the blank(s) with correct word
Physics & Space Science