You rub a thick piece of styrofoam (an insulator) with fur to build a charge on the styrofoam. The charge is distributed evenly across the surface
of the styrofoam. Then, you touch part of the styrofoam with your hand and then you take your hand away.
What is the charge of the styrofoam where you touched it?
a. It is charged.
b. It is uncharged.
Answers: 3
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If 150 kcal of heat raises the temperature of 2.0 kg of a material by 400 f°, what is the specific heat capacity of the material? 0.75 kcal/kg ∙ c° 1.35 kcal/kg ∙ c° 0.19 kcal/kg ∙ c° 0.34 kcal/kg ∙ c°
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You rub a thick piece of styrofoam (an insulator) with fur to build a charge on the styrofoam. The c...
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