The Coulomb constant k is approximately equal to 8.99×10^9 N m^2/C^2. Which of the following is a correct value for k?

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Study for the UCF PHY2054 General Physics Exam. Use flashcards and multiple-choice questions complete with hints and explanations. Boost your understanding and get exam-ready!

Multiple Choice

The Coulomb constant k is approximately equal to 8.99×10^9 N m^2/C^2. Which of the following is a correct value for k?

Explanation:
Coulomb's constant k sets the strength of the electrostatic force in Coulomb's law and has the value about 8.9875 × 10^9 N·m^2/C^2. The problem asks for a value that matches the given approximate number. The provided value is 8.99 × 10^9 N·m^2/C^2, which is exactly 8.99e9. Among the options, this is the one that matches the given data most precisely. The other choices would be either off by a factor of ten (8.99e8 or 8.99e7) or are a rounded form (9.00e9) that is less precise than the stated 8.99e9. So the correct value is 8.99e9 N·m^2/C^2.

Coulomb's constant k sets the strength of the electrostatic force in Coulomb's law and has the value about 8.9875 × 10^9 N·m^2/C^2. The problem asks for a value that matches the given approximate number. The provided value is 8.99 × 10^9 N·m^2/C^2, which is exactly 8.99e9. Among the options, this is the one that matches the given data most precisely. The other choices would be either off by a factor of ten (8.99e8 or 8.99e7) or are a rounded form (9.00e9) that is less precise than the stated 8.99e9. So the correct value is 8.99e9 N·m^2/C^2.

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