Nearby stars have larger parallax angles, therefore their distance in parsecs is smaller.
Answer the following statement true (T) or false (F)
True
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When electric current is flowing in a metal, the electrons are moving
A) at nearly the speed of light. B) at the speed of light. C) at the speed of sound in the metal. D) at the speed of sound in air. E) at none of the above speeds.
______________ fossils are those typical of a particular limited time segment of Earth's history
Fill in the blank(s) with correct word
Newton's First law holds in all reference frames, including inertial reference frames
Indicate whether the statement is true or false
What is the period of a wave described by the following function? y(x,t) = (2.00 m)cos[(6.00 m-1)x + (10.00 s-1)t] + (2.00 m)cos[(3.00 m-1)x + (5.00 s-1)t]
A) 0.628 s B) 5.00 s C) 1.26 s D) 10.0 s E) This is not a periodic function, so it does not have a period.