The positions vectors R1 and R2 of the two .7 atoms 1and 2 in a crystal have equal magnitudes. If the magnitude of vector R1+ R2 is two times larger than the magnitude of vector R1 - R2 , the angle (Theta in degrees) between the two vectors R1 and R2 is :approximately а. 53 b. 5.7 O С. 22.6 d. 9.52 O е. 12.68

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Chapter1: Units, Trigonometry. And Vectors
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The positions vectors R1 and R2 of the two .7
atoms 1and 2 in a crystal have equal
magnitudes. If the magnitude of vector R1 +
R2 is two times larger than the magnitude of
vector R1 - R2, the angle (Theta in degrees)
between the two vectors R1 and R2 is
:approximately
а. 53
b. 5.7 O
С. 22.6
d. 9.52
е. 12.68
Transcribed Image Text:The positions vectors R1 and R2 of the two .7 atoms 1and 2 in a crystal have equal magnitudes. If the magnitude of vector R1 + R2 is two times larger than the magnitude of vector R1 - R2, the angle (Theta in degrees) between the two vectors R1 and R2 is :approximately а. 53 b. 5.7 O С. 22.6 d. 9.52 е. 12.68
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