The positions vectors R1and R2 of the two atoms 1 and 2 in a crystal have equal magnitudes. If the magnitude of vector R1 +R2 is five times larger than the magnitude of vector R1- R2, the :angle (in degrees) between R1and R2 is approximately а. 53 b. 5.72 O с. 22.6 d. 9.52 O e. 12.68 O

The positions vectors R1and R2 of the two atoms 1 and 2 in a crystal have equal magnitudes. If the magnitude of vector R1 +R2 is five times larger than the magnitude of vector R1- R2, the :angle (in degrees) between R1and R2 is approximately а. 53 b. 5.72 O с. 22.6 d. 9.52 O e. 12.68 O

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter1: Getting Started

Section: Chapter Questions

Problem 31PQ: Perform the following arithmetic operations, keeping the correct number of significant figures in...

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Question

The positions vectors R1and R2 of the two atoms 1 and 2 in a crystal have equal magnitudes. If
the magnitude of vector R1 +R2 is five times larger than the magnitude of vector R1- R2, the
:angle (in degrees) between R1and R2 is approximately
a. 53 O
b. 5.72 O
c. 22.6 )
d. 9.52 O
e. 12.68
Mehib darum MA -+

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