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Find the unit vector in the direction of the vector (4, 3).
Find the unit vector in the direction of the vector (4, 3).
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Practice Questions
1 question
Q1
Find the unit vector in the direction of the vector (4, 3).
(4/5, 3/5)
(3/5, 4/5)
(1, 0)
(0, 1)
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Unit vector = (4, 3) / √(4^2 + 3^2) = (4, 3) / 5 = (4/5, 3/5).
Questions & Step-by-step Solutions
1 item
Q
Q: Find the unit vector in the direction of the vector (4, 3).
Solution:
Unit vector = (4, 3) / √(4^2 + 3^2) = (4, 3) / 5 = (4/5, 3/5).
Steps: 9
Show Steps
Step 1: Identify the given vector, which is (4, 3).
Step 2: Calculate the magnitude (length) of the vector using the formula: √(x^2 + y^2), where x and y are the components of the vector.
Step 3: Substitute the values into the formula: √(4^2 + 3^2).
Step 4: Calculate 4^2, which is 16, and 3^2, which is 9.
Step 5: Add the results: 16 + 9 = 25.
Step 6: Take the square root of 25, which is 5. This is the magnitude of the vector.
Step 7: To find the unit vector, divide each component of the vector (4, 3) by the magnitude (5).
Step 8: Calculate the new components: 4/5 and 3/5.
Step 9: Write the unit vector as (4/5, 3/5).
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