Answer :
0K = -273 C
So
273K = 0C
So
325K = 52C
So
The water would need to be warmer than 52C to give the iron bar energy
So the answer is (3) 65C
So
273K = 0C
So
325K = 52C
So
The water would need to be warmer than 52C to give the iron bar energy
So the answer is (3) 65C