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1. A pot with mass 4.1 kg has been sitting in a room with a temperature of 32 C

ID: 1916031 • Letter: 1

Question

1. A pot with mass 4.1 kg has been sitting in a room with a temperature of 32 C for a long time. A person pours 619 grams of water with a temperature of 74 C into the pot. After a while, the pot and water reach thermal equilibrium with a temperature of 48C. Calculate the specific heat of the pot if the specific heat of water is 4186 J/kg C. 2. A surveyor uses a steel measuring tape that is exactly 50.000 m long at a temperature of 20C. What is its length on a hot summer day when the temperature is 35C (given: The coefficient of linear expansion for steel is 1.2 x 10-5 /K (Ans: 50.009m)

Explanation / Answer

50.009m

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