How high does a bullet travel after leaving the barrel of a rifle at 225. m/s with an angle of 66.° above the horizontal? Also what is its range (ignore air friction)?
What will be an ideal response?
2.2 km height and 3.8 km range
Physics & Space Science
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The period-luminosity relation for Cepheid and RR Lyrae variable stars can be used for ______________
Fill in the blank(s) with correct word
Physics & Space Science
The place from which motion is observed and measured is called
A) a frame of reference. B) a starting point. C) an initial location.
Physics & Space Science
When an atom changes its energy state from n = 4 to n = 2
A) a photon is emitted. B) a photon is absorbed. C) two photons are emitted. D) two photons are absorbed. E) None of the given answers are correct.
Physics & Space Science
The farthest point of the Sun from the equator is known as the
a. declination. b. solstice. c. latitude. d. equinox.
Physics & Space Science