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March 29, 2017

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- What is the kinetic energy ,KE, per unit volume V of blood that has a speed of 0.5 m/s. Take density ofĉblood = 1.0x103kg/m3

  • Physical Science - ,

    KE=ρv²/2= 1•10³•0.5²/2=125 J

  • Physical Science - ,

    Thank you

  • Physical Science - ,

    my dear , how did you get this formula of KE, KE=mv2/2 and the mass is equal to (rho)(volume ) so KE=(RHO)(VOLUME)(V2)/2 ,, I confused , can you explain more please

  • Physical Science - ,

    KE=mv²/2

    m= ρV

    kinetic energy per unit volume V
    KE₁ =KE/V= mv²/2V =ρV•v²/2V = ρv²/2

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