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23 December, 00:41

What are the x and y components of a vector a with arrow in the xy plane if its direction is 170° counterclockwise from the positive direction of the x axis and its magnitude is 8.8 m?

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  1. 23 December, 00:49
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    The rectangular coordinates of polar vector (r, θ) are (r·cos (θ), r·sin (θ)). For your (r, θ) = (8.8, 170°), the rectangular coordinates are

    ... (8.8·cos (170°), 8.8·sin (170°)) ≈ (-8.666, 1.528)
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