the rearrangement of particles in a physical change. hope this
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Hypothesis. why donβt you know this? i learned this stuff in like 5th grade
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During the 1800s. hope this !
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the answer is the first electromagnet (a). this is because it has more coils around the ferromagnetic material. increasing the number of coils increases the surface area in which the metal interacts with the current in the coil. this enables more atoms in the metal to become aligned hence becoming more magnetized.
Another question on Physics
Physics, 21.06.2019 23:30
If 21.2 kcals of energy is released by this reaction, how many kj does the reaction release? (1 cal 4.184 j)
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