If A = [15,] and B = 121 - 16 J, what is the magnitude a) 15 b) 35 c) 32 d) 5.0

Question

If A = [15,] and B = 121 - 16 J, what is the magnitude a) 15 b) 35 c) 32 d) 5.0 e) 2.3 Which statement is true about the unit vectors i, j and k? a) Their directions are defined by a left-handed coordinate system. b) The angle between any two is 90 degrees c) Each has a length of 1 m. d) If i is directed east and j is directed south, k points up out of the surface. e) All of the above If vector B is added to vector A, which two of the following choices must be resultant vector to be equal to zero? a) A and have the same magnitude. b) A and B are parallel and in the same direction. c) A and B are perpendicular d) A and B are parallel and in opposite direction. e) None of the above. If the component of vector A along the direction of vector B is zero, these two vectors? a) The vectors have equal magnitudes and are opposite in direction b) The vectors have unequal magnitudes and are opposite in c) The vectors have the same direction d) The angle between the vectors is 45 degree. e) The vectors are perpendicular.

Explanation / Answer

Questions 5 and 6 are not answered because they are not clear in the image

7)All the statements are correct. Therefore,correct option is (e)

8)The correct options are (a) and (d)

9)The correct option is (e)

  

Related Questions

Navigate

• Browse (All)
• Browse I
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.