Hot Liquid Ice Bath Metal Rod 100°C 0°C A student wants to compare the thermal conductivities of several metal rods with different lengths Land cross-sectional areas A. The student connects each rod to two reservoirs, one containing a hot liquid at temperature 100 Cand the other containing an ice bath at 0"C, as shown in the figure. Each rod is kept in contact with the reservoirs for the same fixed time interval At. Let Q be the amount of energy transferred through a rod in the time At. Which of the following lists all the additional quantities that must be measured to be able to compare the thermal conductivities? Qonly Lonly Land A only DQL and A

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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Hot Liquid
Ice Bath
Metal Rod
100°C
0°C
L
A student wants to compare the thermal conductivities of several metal rods with different lengths L and cross-sectional areas A. The student connects each rod to two reservoirs, one containing a hot liquid at temperature 100°C and the other containing an ice bath at 0°C, as shown in the figure. Each rod is kept in contact with the reservoirs for the same fixed time interval At. Let Q
be the amount of energy transferred through a rod in the time At. Which of the following lists all the additional quantities that must be measured to be able to compare the thermal conductivities?
A
Q only
L only
L and A only
D
Q, L, and A
Transcribed Image Text:Hot Liquid Ice Bath Metal Rod 100°C 0°C L A student wants to compare the thermal conductivities of several metal rods with different lengths L and cross-sectional areas A. The student connects each rod to two reservoirs, one containing a hot liquid at temperature 100°C and the other containing an ice bath at 0°C, as shown in the figure. Each rod is kept in contact with the reservoirs for the same fixed time interval At. Let Q be the amount of energy transferred through a rod in the time At. Which of the following lists all the additional quantities that must be measured to be able to compare the thermal conductivities? A Q only L only L and A only D Q, L, and A
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