Concept explainers
(a)
The product of vectors
(a)
Answer to Problem 3P
The product of vectors
Explanation of Solution
Write the expression for cross product of two vectors
Simplify the above obtained expression as.
Here,
Conclusion:
Substitute
Thus, the product of vectors
(b)
The angle between vectors
(b)
Answer to Problem 3P
The angle between vectors
Explanation of Solution
Write the expression for angle between two vectors as.
Here,
Write the expression for magnitude of
Here,
Write the expression for magnitude of
Here,
Write the expression for magnitude of
Here,
Substitute the value of
Conclusion:
Substitute
Thus, the angle between vectors
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Chapter 11 Solutions
Physics for Scientists and Engineers With Modern Physics
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