Which of the following wave diagrams has both wavelength L. and
amplitude A labeled correctly?
8 points
NM
Option 1
Option 2
in
Option 4
Option 3

yup its correct its: c) b b

-4 on

see the picture for the vector

the magnitude of the vector by pythagorean theorem

r = √( (-10)^2 + (3)^2 ) = √109

magnitude = √109 units

the direction angle between vector and x-axis is

tan^(-1)(3/10) = 16.699

so the direction is approximately 16.7 degrees north of west