Mineral sample #4 is ________.
Sphalerite - ZnS
Apatite - Ca5(PO4)3(F,Cl,OH)
Goethite - ?-FeO(OH)
Sphalerite - ZnS
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A thin infinitely large current sheet lies in the y-z plane. Current of magnitude Js per unit length along the z axis travels in the y-axis direction, which is up out of the page. Which diagram below correctly represents the direction of the magnetic field on either side of the sheet?
A.
B.
C.
D.
E.
Two instruments produce a beat frequency of 5 Hz. If one has a frequency of 264 Hz, what could be the frequency of the other instrument?
a. 269 Hz b. 254 Hz c. 264 Hz d. 5 Hz e. 274 Hz
Magnetic fields are created by moving charged particles.
Answer the following statement true (T) or false (F)
How would most planetary scientists classify Pluto? Why was this not done when it was found in 1930, misleading generations of elementary school children?
What will be an ideal response?