A mechanical pencil has the density of 3 grams per cubic centimeter. The volume of the pencil is 15.8 cubic centimeters. What is the mass of the
pencil?

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

From the question

volume = 15.8 cm³

density = 3 g/cm³

We have

mass = 3 × 15.8

We have the final answer as

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explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

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