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A Spherical Cannonball, Which Has a Volume Given by π\pi R3)is Made of an Iron Alloy and Has a Diameter

Question 126

Multiple Choice

A spherical cannonball, which has a volume given by  A spherical cannonball, which has a volume given by   ( \pi r<sup>3</sup>) is made of an iron alloy and has a diameter of 9.55 inches and a density of 7.89 g/cm<sup>3</sup>. How many pounds does this cannonball weigh? 1 pound = 0.4536 kg, 1 inch = 2.54 cm. Hint: Recall the diameter is twice the radius. Remember that when converting derived units, you must convert each of the component fundamental units individually. A) 59.0 pounds B) 1.30 × 10<sup>2</sup> pounds C) 41.4 pounds D) 1.24 × 10<sup>3</sup> pounds E) 21.0 pounds ( π\pi r3) is made of an iron alloy and has a diameter of 9.55 inches and a density of 7.89 g/cm3. How many pounds does this cannonball weigh? 1 pound = 0.4536 kg, 1 inch = 2.54 cm. Hint: Recall the diameter is twice the radius. Remember that when converting derived units, you must convert each of the component fundamental units individually.


A) 59.0 pounds
B) 1.30 × 102 pounds
C) 41.4 pounds
D) 1.24 × 103 pounds
E) 21.0 pounds

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