Recent content by Tomiscool

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    Thermodynamic Problem involving work

    Any help?
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    Thermodynamic Problem involving work

    I know that there is no heat flow in, so the work must remain the same. Therefore the internal energy must remain the same correct?
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    Thermodynamic Problem involving work

    For the average, i got 1.889e6 Pascals. Ok, so converting the liters to m^3 i got .25 m^3and .032 m^3. RE Andrew Mason: thank you for the formulas, could you just explain the first one to me, and how I would go about using these formulas to solve for the Work.
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    Thermodynamic Problem involving work

    Homework Statement A monatomic ideal gas is compressed adiabatically from a pressure of 1.19e5 Pa and volume of 250 L to a volume of 32.0 L.(a) What is the new pressure of the gas in Pa? (b) How much work is done on the gas?Homework Equations I know that W= Average P (Delta V) The Attempt at...
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    How Do You Calculate Tension in Ropes Supporting a Painter on a Board?

    Homework Statement Basically, this is the problem, A 70 kg painter is painting the wall of a building. He stands on a horizontal board of length 6.4 m and mass 15 kg, suspended from vertical ropes attached to each end. If the painter stands 1.2 m from one end of the board, what would the...