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Magnitude of vectors

  • Thread starter future_vet
  • Start date
169
0
1. Homework Statement
If Vx = 6.80 units and vy = -7.40 units, determine the magnitude and direction of V-> (vector, the arrow is above the V).

2. Homework Equations and 3. The Attempt at a Solution
Should we use the following:
V magnitude = √ ( Vx^2 + Vy ^2) = √ (6.80^2 + (-7.40)^2) = 10 units
and for the direction: tan θ = Vy/Vx = (-7.40)/6.80 = -1.1
θ= -47.4 degrees below the x axis.

Would this be correct?

Thanks!
 

Answers and Replies

berkeman
Mentor
56,129
6,156
Looks correct to me.
 
169
0
Thanks a lot!
 

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