thank u When a hollow object is heated what happens to its inside and outside di
ID: 2123007 • Letter: T
Question
thank u
When a hollow object is heated what happens to its inside and outside dimension The outside and inside dimension both get smaller The outside and inside dimension both get larger The outside dimension get larger and the inside dimension gets smaller The outside dimension gets smaller and the inside dimension gels larger. The relative change in inner compound to outer dimensions depends upon the precise relation between the coefficients of linear and volume expansion. a heating coil inside an electric kettle consumes 1 5 kW of electrical power How long will it take to raise the temperature of 0. 50 kg of water (about one pint) from 20 degree C to 98 degree C? Neglect the change in thermal energy of the coil and kettle and assume no heat is lost to the environment. 20 s 110 s 160 s 420s K00 660 s a diatomic ideal gas cools at a constant pressure of 6. 0 x 104 Pa from a temperature of 27 degree C to 33 degree C the heat energy given off by the gas in this process is 4200 J. The initial volume was 0. 10 m3. The internal energy of the gas decreases in this process by: 5400 J 4800 J 4200 J 3600 J 3000 J In the mechanical equivalent of heat experiment, the graph of number of turns versus temperature isExplanation / Answer
1. B
2. C
3. A
4. D
5. D
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