vecA = 8, vecB = 3 and the angle between them is 90^circ. Then vecA vecB and vecA vecB are:

  1. 1.47 10^-15 and 24
  2. 12 and 12
  3. 11 and 5
  4. 24 and 1.47 10^-15
Answer

A) 1.47 10^-15 and 24

ABcostheta = 1.47 10^-15; ABsintheta = 24. SLO P-11-B-02 · Understanding

Physics MCQ · More Vectors MCQs · Practise