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Physics, 22.06.2019 07:00
Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a.a piece of paper b.a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block
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Physics, 22.06.2019 14:00
How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c
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Physics, 23.06.2019 03:00
There are 3 ways heat can be transferred: through solids, called , through liquids and gases , called , and through electromagnetic waves, called
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Do you think the rider in the above figure is really in danger? What If people below were removed?...
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