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How would you go about these Physics Questions?

1) For the highest accuracy would you choose an aluminum or a steel tape rule for your round outdoor use? Why?2) A circular hole is cut through a flat aluminum plateA spherical brass ball has a diameter that is slight smaller than the diameter of the holeThe plate and the ball have the temperature at all timesShould the plate and ball bot be heated or both be cooled ot prevent the ball from falling through the hole? Give your reasoning.3) When the bulb of a Mercury in glass thermometer is inserted into boiling water the mercury column first drops slight before it beings to riseAccount for this phenomenon.4) Two different objects are supplied with equals amount of heatgive reasons why their Temperature changes would not necessarily be the same.5) A camping stove is used to boil water on a mountain Does it necessarily follow that same stove can boil at lower altitude such as at sea level? Provide a reason for your answer.

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