Recent content by Nathan777

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    Undergrad Doppler Frequency Equation Question

    In my physics books it gives an equation of frequency for a moving observer as f'= v'/λ =v+u/λ. Since λ=v/f it was converted to f'=v+u/(v/f) = (v+u/v)f I understand this much of the equation, but the final Algebraic factoring that I don't get is they said this equation is f'=...
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    Tension of ropes when laying on a hammock

    Yes but I figured out the answer with that specific equation. I guess I just didn't think of dividing it out. Error on basic Algebra.
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    Tension of ropes when laying on a hammock

    Thank you so much. I don't know where I went wrong with that one.
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    Tension of ropes when laying on a hammock

    Homework Statement A 50.0 kg person takes a nap in a backyard hammock. Both ropes supporting the hammock are at an angle of 15° above the horizontal. Find the tension in the ropes. Homework Equations T=mg, F=ma, T= (Tcos15°)+(Tsin15°) The Attempt at a Solution What I did...