# Sir Eman's Online Physics Quiz No. 02

15 Questions | Total Attempts: 405  Settings  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

• 1.
The magnitude of two vectors A and B are A = 12 units and B = 8 units. Which of the following pairs of numbers represents the largest and smallest possible values for the magnitude of the resultant vector R = A + B?
• A.

14.4 units , 4 units

• B.

12 units, 8 units

• C.

20 units, 4 units

• D.

• 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
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