Physics Review Question Unit: mechanics Year: 1991 Question#: 2 Question: What is the approximate mass of a chicken egg? (1 ) 1 x 101 kg (2 ) 1 x 102 kg (3 ) 1 x 10-1 kg (4 ) 1 x 10-4 kg What is this question really asking? Explanation by: Christine A [ Return to question menu ] Answer 1 1 x 101 kg INCORRECT This answer would imply that a chicken egg has a mass of approximately ten kilograms (22 pounds, about the size of a small dog). Chicken eggs are not normally this large. Thus, this cannot be the correct answer. return to top Answer 2 1 x 102 kg INCORRECT 1 x 102 kilograms is equal to 100 kilograms. This is approximately the mass on an NFL linebacker. Chicken eggs are not normally as massive as a human. Because of this, answer 2 must be incorrect. return to top Answer 3 1 x 10-1 kg CORRECT You cracked the question! 1/10 of a kilogram is equal to 100 grams, which is roughly the mass of an average chicken egg. return to top Answer 4 1 x 10-4 kg INCORRECT This is incorrect because 1 x 10-4 kilograms is equal to .0001 kilograms, or roughly the mass of a grain of brown rice; this is too small to be an egg, so answer 4 must be incorrect. return to top What's this question really asking? (a) Do you know how to deal with scientific notation? (b) Do you know approximately how much a kilogram (kg) is? (c) Do you know how massive a chicken egg is? return to top |
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