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A box is at rest on a ramp that is inclined at an angle of 14. It is being held at rest by a 2 082 N force perpendicular to the ramp and a 519 N force of friction parallel to the surface of the ramp. Find the weight of the box to the nearest tenth of a newton. 6:) Weight: 214.5 N Weight = Enter your next step here N 4. Let U = be a vector. 4a Find the magnitude of the vector U: U = Enter your next step here5. Consider the vector v = 31 + 67 + 2k. 5a Find the exact magnitude of vector v : Enter your next step here7. Given u = -4i - j + k and v = -i + j - 3k and w = i + 2j + 2k, we want to find (u X v) . w. 7a First find u X v in terms of i, j and k: u XV = Enter your next step here