Multiple Choice
Iron has a density of 7.87 g/cm3. What mass of iron would be required to cover a football playing surface of 120 yds * 60 yds to a depth of 1.0 mm (1 inch = 2.54 cm; 1 lb = 453.6 g)
A) 6.4 * 103 lb
B) 6.4 * 104 lb
C) 1.0 * 105 lb
D) 4.7 * 107 lb
E) 4.7 * 108 lb
Correct Answer:
Verified
Correct Answer:
Verified
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