Physics, 20.03.2020 10:04, cheergirlkr4746

If F1 = 390 N and F2 = 550 N , determine the angle θ(0∘≤θ≤180∘) between them, so that the resultant force has a magnitude of FR = 780 N .Express your answer to two significant figures and include the appropriate units.

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If F1 = 390 N and F2 = 550 N , determine the angle θ(0∘≤θ≤180∘) between them, so that the resultant...