Sir Eman's Online Physics Quiz No. 02

15 Questions

Settings
Please wait...
Online Physics Quizzes & Trivia

Sir Eman's Online Physics Quiz No. 02Topic: Vectors and Vector MultiplicationTime Limit: 30 minutesReminders: + Provide the Necessary Information. Type your WHOLE NAME. No nicknames please. + No need to register in the website. Just supply the password to enable you to take the quiz. + The quiz is TIMED. You can only answer the quiz within the set amount of time given to you. + You might need scratch paper for some problems. (yes may SOLVING po) + Open books and notebooks. Yes calculators. Yes internet (kung andun ba ang sagot eh) + Have your calculators ready beside you. You might be computing something =] + IP Detection is enabled. Therefore: +++ I can track your individual IP addresses. +++ I can determine the TIME y


Questions and Answers
  • 1. 
    • A. 

      14.4 units , 4 units

    • B. 

      12 units, 8 units

    • C. 

      20 units, 4 units

    • D. 

      None of these answers

  • 2. 
    Given the vectors A = (3i - 4j + 4k) and B = (2i + 3j - 7k), find the magnitude of the vector C = A + B. (3 significant figures)
  • 3. 
    Given the vectors A = (3i - 4j + 4k) and B = (2i + 3j - 7k), find the magnitude of the vector C = 2A - B. (3 significant figures)
  • 4. 
    It is a scalar that is the product of the magnitude of A multiplied to the component of B along A.
  • 5. 
    It is another vector whose magnitude is equal to the area of the parallelogram formed by A and B and directed perpendicular to both A and B in the Right-hand method.
  • 6. 
    Which is the correct way of denoting the Vector product of two vectors A and B?
    • A. 

      A · B

    • B. 

      A (B)

    • C. 

      A x B

    • D. 

      A * B

  • 7. 
    Which is the correct way of denoting the Scalar product of two vectors A and B?
    • A. 

      A * B

    • B. 

      A · B

    • C. 

      A x B

    • D. 

      A (B)

  • 8. 
    For the two vectors A = 3i + 2j and B = 4i + 5k. Find the scalar product A · B. (3 significant figures)
  • 9. 
    For the two vectors A = 3i + 2j and B = 4i + 5k. Find the Vector product A x B.
  • 10. 
    If the component vector A along the direction of vector B is zero, what can you conclude about the two vectors?
    • A. 

      Vectors A and B are parallel to each other.

    • B. 

      Vectors A and B are anti-parallel to each other.

    • C. 

      Vectors A and B are perpendicular to each other.

    • D. 

      Vectors A and B are at an angle with respect to the other.

  • 11. 
    Eto mejo mahirap yata?If A = (6i - 8j) units, B = (-8i + 3j) units, and C = (26i + 19j) units, determine a and b such that aA + bB + C = 0. note: answer must be in the following format --> a, bexample na sagot na ita-type: 3, 7
  • 12. 
    Find the angle between the following two vectors:A = -2.00i + 6.00jB = 2.00i - 3.00j(three significant figures)
  • 13. 
    Find the angle between the following two vectors: A = 3.00i + 5.00j B = 10.00i + 6.00j(three significant figures)
  • 14. 
    Find the angle between the following two vectors: A = -4.00i + 2.00j B = 7.00i + 14.00j (three significant figures)
  • 15. 
    Given  two vectors A = 4.00i + 3.00j and B = 5.00i - 2.00j, find the magnitude and direction of A x B . note: express answer in terms of unit vectors and must be in 3 significant figures. must be simplified already