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25
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If T1 is the temperature before heated and T2 is the temperature after heated. What is the formula to find the difference change of temperature?
delta T = T2 - T1
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20
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The difference between Ao and At?
Ao is the initial area before heated, At is the final area after heated
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thief
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rocket
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gift
Win 15 points!
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15
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The SI unit of mass
kg
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banana
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star
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fairy
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thief
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15
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The unit of gravity
N/kg , m/s2
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15
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The unit of weight
Newton (N)
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15
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The length of metal after heated
Lt
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20
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density formula
density = mass/volume
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baam
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shark
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25
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The formula to find the difference change of length is ...
delta L = Lo x alpha x delta T
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15
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the coefficient of volume thermal expansion
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20
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What is delta L?
the difference change of length after heated
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15
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the difference change of temperature
delta T
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the coefficient of linear thermal expansion
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the coefficient of area thermal expansion
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