Flat bi-metallic strip consists of alluminium riveted

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a) Will a grandfather clock, accurate at 20 degrees C, run fast or slow on a hot day (30 degrees C)? Explain. Assume that the clock utilizes a pendulum supported on a long, thin brass rod.

b) When a gas is rapidly compressed (say, by pushing down a piston) its temperature increase, Describe. When a gas expands against a piston, it cools. Describe these changes in temperature using the kinetic theory, in particular nothing what occurs to the momentum of molecules when they strike the moving piston.

c) A flat bi-metallic strip consists of alluminium riveted to a strip of iron. When heated, the strip will bend. Which metal will be on the outside of the curve? Why?

Reference no: EM13660850

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