Since 1986, the center of gravity of the spear has changed by approximately how many centimeters.
Since 1986, the center of gravity of the spear has changed by approximately how many centimeters.
(A) 6 cm (b) 5 cm (c) 4 cm (d) 2 cm
Answer: (c) 4 cm
Since 1986, the center of gravity of the spear has changed by approximately how many centimeters.
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January 16, 2021
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