A machinist bores a hole 2.000 cm in diameter in a brass plate at a temperature of 200 What is the diameter of the hole when the temperature of the plate is increased to 2000C,
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- A machinist bores a hole 2.000 cm in diameter in a brass plate at a temperature of 200 What is the diameter of the hole when the temperature of the plate is increased to 2000C,
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- A steel beam 10.0 m sits next to a concrete wall when the temperature is 30.0o If the temperature rises to 50.5o C, how large must the gap be if the steel beam just touches the concrete wall?An aluminum bar has a cross-section that is 4.31 cm by 7.32 cm and is 2.38 m long. Aluminum has a thermal conductivity of 205 W/m K. If the aluminum bar is used to bridge between ice at 0 °C and boiling water at 100 °C, what is the rate of heat transfer (in W) along the bar?A weather balloon rises through the atmosphere, its volume expanding from 4.9 m3 to 14 m3 as the temperature drops from 21 ∘C to -10 ∘C. If the initial gas pressure inside the balloon is 1.0 atmatm, what is the final pressure?
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