Consider the three displacement vectors
(a)
The magnitude and direction of the vector
Answer to Problem 50P
The magnitude of the vector
Explanation of Solution
Write the expression for the given vector
Here,
Write the expression for magnitude of the given vector
Here,
Write the expression for the angle of the vector.
Conclusion:
Substitute
Substitute
Substitute
Therefore, the magnitude of the vector
(b)
The magnitude and direction of the vector
Answer to Problem 50P
The magnitude of the vector
Explanation of Solution
Write the expression for the given vector
Write the expression for magnitude of the given vector
Here,
Write the expression for the angle of the vector.
Conclusion:
Substitute
Substitute
Substitute
Therefore, the magnitude of the vector
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Chapter 1 Solutions
Principles of Physics
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