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AP Physics 2
9.5 Specific Heat and Thermal Conductivity
9.3 Thermal Energy Transfer and Equilibrium
IntermediateMCQGraphicalMathematicalConceptual15.7k
A quantitative line graph showing Temperature in degrees Celsius on the vertical axis against Time in seconds on the horizontal axis. The vertical axis ranges from 0 to 100 with major tick marks labeled 0, 20, 40, 60, 80, 100. The horizontal axis ranges from 0 to 10 with major tick marks labeled 0, 2, 4, 6, 8, 10. Horizontal gridlines extend across the plot at each temperature tick mark. Two curves are drawn. The curve labeled Liquid X starts at position (0, 20) and increases smoothly, flattening to a horizontal line at Temperature = 60 from Time = 8 to 10. The curve labeled Liquid Y starts at position (0, 80) and decreases smoothly, flattening to the same horizontal line at Temperature = 60 from Time = 8 to 10. No other lines, labels, or text appear.
Temperature vs. time for Liquid X and Liquid Y.
Two samples of liquid, Liquid X and Liquid Y, each having a mass of \(0.20 \text{ kg}\), are placed inside a thermally insulated container and allowed to reach thermal equilibrium. The graph shows the temperature of each liquid as a function of time. What is the ratio \(\dfrac{c_X}{c_Y}\) of the specific heat capacity of Liquid X to the specific heat capacity of Liquid Y?

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