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Rom4ik [11]
3 years ago
14

What are used to draw plane shapes

Physics
1 answer:
babunello [35]3 years ago
7 0
Stencils, ruler, penciles thing like that.
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A 45.0-kg sample of ice is at 0.00°C. How much heat is needed to melt it? For water, Lf=334 kJ/kg and Lv=2257 kJ/kg 
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Heat required to change the phase of ice is given by

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here

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now we have

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