AP Physics 1 Question 185: Answer and Explanation

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Question: 185

5. The magnitude of vector A is 10. Which of the following could be the components of A ?

  • A. Ax = 5, Ay = 5
  • B. Ax = 6, Ay = 8
  • C. Ax = 7, Ay = 9
  • D. Ax = 10, Ay = 10

Correct Answer: B

Explanation:

B

The components of the vector must satisfy the equation:

The only answer choice with components that satisfy this equation is (B): .