Problems
1.3 The Language of Physics: Physical Quantities and Units
A commemorative coin that sells for $40 is advertised to be plated with 15 mg of gold. Suppose gold is worth about $1,300 per ounce. Which of the following best represents the value of the gold in the coin?
- $0.33
- $0.69
- $3.30
- $6.90
-
20
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20.7
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20.72
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20.732
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62\,\text{m/s}, 27.8\,\text{mi/h}
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22.2\,\text{m/s}, 49.7\,\text{mi/h}
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62\,\text{m/s}, 2.78\,\text{mi/h}
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2.78\,\text{m/s}, 62\,\text{mi/h}
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12.06 \pm 0.29\,\text{m}^2
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12.06 \pm 0.01\,\text{m}^2
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12.06 \pm 0.25\,\text{m}^2
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12.06 \pm 0.04\,\text{m}^2