Question

In part E, you’ll use your answers from parts B, C, and D to find the average density of each type of penny. Recall that density is mass divided by volume:


D = m/v


Calculate the average density of a penny (in g/mL) made before 1982. Show your work.

Answer 1

The average density of a penny is 8 - 12 g/ml.

Average density of a penny

The average density of a penny is calculated as follows;

average density of a penny = average mass of a penny / average volume of  a penny

Given parameters;

• average mass of a penny is given as 2 - 3g
• average volume of a penny is given as 0.25 ml

For an average mass of 2 g, the density is calculated as;

density = 2 g / 0.25 ml

density = 8 g/ml

For an average mass of 3 g, the density is calculated as;

density = 3 g / 0.25 ml

density = 12 g/ml

Thus, the average density of a penny is 8 - 12 g/ml.

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Answer 2

Answer: Before 1982 = 3.427g/0.35ml = 9.27714285714

After 1982 = 2.505g/0.35 = 7.15714285714

Here ya go dude!

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