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Q. |
An elastic sphere of 0.5 m diameter contains a gas at 115 k Pa. Heating of the sphere causes it to increase to 0.62 m and during the process the pressure is proportional to the sphere diameter. The work done by the gas will be |
A. | 7.7 kJ |
B. | Pulsejet |
C. | 9.9 kJ |
D. | 15 kJ |
E. | 11 kJ |
Answer» A. 7.7 kJ |
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