Need help with finding angles RE: finding vector components

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SUMMARY

The discussion focuses on resolving vector components and understanding angle assignments in physics problems. The user correctly calculated the x and y components for a vector with a magnitude of 150 at an angle of 30 degrees, resulting in x = -150cos30 and y = 150sin30. The confusion arose regarding the angle of the fourth vector, which is confirmed to be 60 degrees from the horizontal. This clarification is crucial for accurately determining resultant displacement in vector analysis.

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mizzy
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Homework Statement



See attached photo. Find the resultant displacement measured from the starting point.

Homework Equations





The Attempt at a Solution



When it comes to angles, i sometimes get confused when to add 180 or not. FOr the first two distances, we don't have to find the components. For the last, we have to break it up into x and y components.

for the third distance:
x component = -150cos30
y component = 150sin30

IN MY ASSIGNMENT, I GOT THIS WRONG.

for the fourth distance:
isn't the angle 60 degrees??

Can someone help me get this straight about assigning angles? I don't want to make a mistake on the final exam.

THANKS
 

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Yes the fourth vector has an angle of 60 degrees from the horizontal. Your work is fine so far.
 

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