Mathematics, 05.05.2020 07:08 lilquongohard

Two samples of carbon come into contact. A heat transfer will occur between sample A and sample B. What must be true for
heat to transfer from sample A to sample B?
The average kinetic energy of A is greater than that of B.
The average kinetic energy of B is greater than that of A.
The average kinetic energy of both samples is equal.
The average kinetic energy does not determine the direction of heat transfer.
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