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Which correctly list three planets that has rings

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Mnenie [13.5K]3 years ago

5 0

Saturn Uranus neptune and jupiter

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A metal rod is 25.000 cm long at 25.0 degrees Celsius. When heated to 102.0

ser-zykov [4K]

Answer:

The coefficient of linear expansion $\alpha =2.8\times 10^-5$ \°C

Explanation:

Given initial temperature $t_1=25$ °C

And final temperature $t_2=102$ °C

Initial length $l_1=25.000\ cm$

Final length $l_2=25.054\ cm$

We have to find the coefficient of linear expansion

The coefficient of linear expansion is defined as the change in length per unit original length divide by the change in temperature.

$l_2=l_1(1+\alpha (t_2-t_1))\\l_2-l_1=\alpha l_1(t_2-t_1)\\25.054-25.000=25.000(\alpha (102-25))\\0.054=\alpha\times 25(77)\\0.054=\alpha\times1925\\\alpha =\frac{0.054}{1925}=0.000028\C\\\alpha =2.8\times 10^-5$