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Vector p is 6m in the x_direction vector q is 10m in the y_ direction Use the parallelogram methed to work out p+q Use pythagoras therom and trigonomatrey to work out p-q

Vector p is 6m in the  x_direction vector q is 10m in the y_ direction
   Use the parallelogram methed to work out p+q
    Use pythagoras therom and  trigonomatrey to work out p-q

Grade:11

1 Answers

Mayank Ranka
askIITians Faculty 280 Points
4 months ago

Parallelogram method
R² = P² + Q² + 2PQ cos theta
Because x axis and y axis are perpendicular
Hence theta = 90 degree
R² = P² + Q² +0
R = [\large \sqrt] (P²+Q²)
R = [\large \sqrt] 136

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