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Physics, 14.06.2021 15:50 jamarstand
Emm When a metallic block with a hole in it is heated, coby does not the material around the hole expand into the hole and make it smaller? A brass clock keeps conrect time at 30°c. How many will it gain or lose per day when the of the room falls to loc? [a for brass=0.0000 18'ct] penchalian seconds perenture 60​
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Emm When a metallic block with a hole in it is heated, coby does not the material around the hole ex...
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