### What is the final temperature of gas

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Q. Two simple pendulums have length of 81-cm and 64-cm they are released from the same angular position at the same instant. After how much time would they both arrive at their initial position simultaneously?

Q. The initial temperature of system is 313-K and the pressure of the gas is held constant at 137-kPa.The temperature is now increased until the height of the piston rises from 23.4 cm to 26cm. What is the final temperature of gas?

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