An _________in crystallinity in a polymer increases the yield strength.
Fill in the blank(s) with the appropriate word(s).
increase
Physics & Space Science
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The Framingham Study and the two lung cancer studies are examples of retrospective cohort studies that followed large numbers of people over extended periods of time.
a. true b. false
Physics & Space Science
_______________ galaxies have star formation, but no clear shape
Fill in the blank(s) with correct word
Physics & Space Science
If a wave's frequency doubles, its wavelength
A) is halved. B) is also doubled. C) is unchanged, as c is constant. D) is now 4 times longer. E) becomes 16 times longer.
Physics & Space Science
Point charges q and Q are positioned as shown. If q = +2.0 nC, Q = ?2.0 nC, a = 3.0 m, and b = 4.0 m, what is the electric potential difference, VA?VB?
A. 8.4 V B. 6.0 V C. 7.2 V D. 4.8 V E. 0 V
Physics & Space Science