Question 18
VectorsFind the angle between i + 5j and 5i − j.
- A.0°
- B.45°
- C.60°
- D.90°
Show the answer and explanation
Answer: D (90°)
Explanation
The dot product is 5 − 5 = 0, so the vectors are perpendicular: 90°.
Find the angle between i + 5j and 5i − j.
Answer: D (90°)
The dot product is 5 − 5 = 0, so the vectors are perpendicular: 90°.