Question

A brass disc at 20°C has a diameter of 30 cm,A hole is cut on its surface and the hole is 10cm in diameter. Calculate the diameter of thehole when the temperature of the disc israised through 50°C. Coefficient of linearexpansion of brass = 1.8 * 10% per °C.​

Answer 1

Answer:

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the process by which green plants turn carbon dioxide and water into food using energy from sunlight

Answer 2

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