For this case we can write each one of the vectors in the following way:

This means that the x-axis is defined as positive towards the west.
Then, the resulting vector is:

Answer:
Displacement vectors of 10 m west and 14 m west make a resultant vector that is 24 m west
Answer:
275 MPa, -175 MPa
-0.63636
450 MPa
Explanation:
= Maximum stress
= Minimum stress
= Mean stress = 50 MPa
= Stress amplitude = 225 MPa
Mean stress is given by

Stress amplitude is given by


Maximum stress level is 275 MPa
Minimum stress level is -175 MPa
Stress ratio is given by

The stress ratio is -0.63636
Stress range is given by

Magnitude of the stress range is 450 MPa
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Answer:
E. The refracted ray is vertically polarized whereas the reflected ray is horizontally polarized.
Explanation:
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