Question

An empty paper cup is the same temperature as the air in the room. A student fills the cup with cold water. Which of the following describes how thermal energy is transferred?

ооо
Thermal energy is transferred from the cold water to the cup until they are at the same temperature
Thermal energy is transferred from the cup to the cold water until they are at the same temperature.
Thermal energy is transferred from the cup to the cold water until the cup has no more thermal energy.
Thermal energy is not transferred between the cup and the cold water.
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Answer 1

b

Explanation: thermal energy transferred from the hotter object to the cooler one until they are at an equilibrium because heat always flows into the cooler object.