Lesson 21
Measurement of Density - Regular Solid
Measurement of Density - Regular Solid
MINESEC DISTANCE LEARNING
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A student measures the volume as 30ml. However, he repeats the measurement again. The second measurement is 33ml. Should the student do a third measurement?
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This part of the lesson focuses on correcting an assignment from the previous lesson related to measuring the volume of irregular solids. [01:10] The main takeaway is that the volume of an irregular solid is equal to the volume of liquid it displaces. The assignment provides multiple-choice answers. The initial volume must be subtracted from the final volume after submerging the irregular solid. [01:47] The formula for finding volume is V = V2-V1 = 90 milliliters - 65 millileters = 25 milliliters. [02:50] The lecture also shows the formula, the units, and provides an example.
