Recent content by TungYee32

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    Can Bob measure heat flow and entropy on a glacier using a metal rod experiment?

    Homework Statement Bob who is working on a glacier wants to experiment with heat and has constructed a two part metal rod. The left rod is silver and has length L1 = .5454 M, and has a cross sectional area A = 3.1416 CM^2. It is joined end to end with a lead rod of identical diameter and...
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    How Fast Was the NASCAR Race Car Going?

    Homework Statement George and Martha are at a NASCAR race and as the race car made the turn to their right and rushed towards them the frequency they heard was F0 = G5 or 821 Hz. However, after it passed the frequency dropped to F0/2. The direction the cars are traveling is the +x axis, what...