Which statement describes how heat flows from the coffee to the part of the spoon in the coffee?Heat flows from the coffee to the spoon through radiation.Heat flows from the coffee to the spoon through convection.Heat flows from the coffee to the spoon through conduction.Heat flows from the coffee to the spoon through radiation, convection, and conduction.
Answer
A
Heat flows from the coffee to the spoon through radiation.
B
Heat flows from the coffee to the spoon through convection.
C
Heat flows from the coffee to the spoon through conduction.
D
Heat flows from the coffee to the spoon through radiation, convection, and conduction.
Explanation
The coffee and the part of the spoon in it are in direct contact. Heat moves across that contact by conduction, from the warmer coffee into the cooler spoon. Convection transfers heat through the movement of a fluid, while radiation transfers heat by electromagnetic waves, so neither describes the main transfer into the spoon here.
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