The discussion focuses on calculating the magnitude and direction of resultant vectors using the component method. Given three displacement vectors A = (-2i + 3j) m, B = (2i + 7j) m, and C = (-7i + 5j) m, participants are tasked with finding the resultant vector D = A + B + C and E = -A - B + C. The required outputs include the magnitudes |D| and |E|, as well as their respective angles θ from the +x axis.
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OUmecheng said:Homework Statement
Consider the three displacement vectors A = ( -2i + 3j ) m, B = ( 2i + 7j ) m, and C = ( -7i + 5j ) m. Use the component method to determine the following.
(a) The magnitude and direction of D = A + B + C
|D| = ___ m
θ = ___° (from the +x axis)
(b) The magnitude and direction of E = -A - B + C
|D| = ___ m
θ = __° (from the +x axis)
The Attempt at a Solution
I don't even know where to begin.