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Vilka [71]
3 years ago
8

3 PHYSICAL SCIENCE: In order to figure out what is in a sealed box, you perform some tests. The box seems heavy for its size and

is harder to remove from a steel table than when placed on a concrete floor. What kind of object could be inside the box?"
Physics
1 answer:
rjkz [21]3 years ago
7 0
Some sort of magnetic metal

Metals are heavier per cubic unit than other materials such as air or water, and also are much more magnetic than other materials
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negative

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Black holes must have a mass three or more times the mass of _____.
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serg [7]

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6 0
3 years ago
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Snowcat [4.5K]

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