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3. Two forces act on an object. F1 = 4.0 į+2j. Calculate the total force (FT=_F1+F2) in vector form for the following forces. Assume Force is in Newtons. a) F₂ = -5.0 į b) F₂=3.0 į+ 6 j c) F₂ = 5.0 i + 3 j 4. A rock is thrown with initial velocity V = 35 m/s. Find initial velocities Vx and y for the angles shown. Answers will be in m/s) a) 25 deg (31.7, 14.8) b) 40 deg (26.8, 22.5) c) 75 deg (9.1, 33.8) d) 135 deg (-24.7, 24.7) 5. Use the vectors shown to solve the problems: A = 2i - 6j a) C B (-18) b) A + B c) B B=4i+2, C = -5i+j+ 3k. B (20) d) A (B+C) (-20)
3. Two forces act on an object. F1 = 4.0 į+2j. Calculate the total force (FT=_F1+F2) in vector form for the following forces. Assume Force is in Newtons. a) F₂ = -5.0 į b) F₂=3.0 į+ 6 j c) F₂ = 5.0 i + 3 j 4. A rock is thrown with initial velocity V = 35 m/s. Find initial velocities Vx and y for the angles shown. Answers will be in m/s) a) 25 deg (31.7, 14.8) b) 40 deg (26.8, 22.5) c) 75 deg (9.1, 33.8) d) 135 deg (-24.7, 24.7) 5. Use the vectors shown to solve the problems: A = 2i - 6j a) C B (-18) b) A + B c) B B=4i+2, C = -5i+j+ 3k. B (20) d) A (B+C) (-20)