vecA = 4, vecB = 5 and the angle between them is 60^circ. Then vecA vecB and vecA vecB are:

  1. 17.3 and 10
  2. 9 and 1
  3. 10 and 17.3
  4. 20 and 20
Answer

C) 10 and 17.3

ABcostheta = 10; ABsintheta = 17.3. SLO P-11-B-02 · Understanding

Physics MCQ · More Vectors MCQs · Practise