When vectors A and B are added together they form vector C and these vectors satisfy the relationship A2 + B2 = C2. Which statement is true for these vectors?
A) Vectors A and B must be parallel.
B) Vectors A and B must be anti-parallel.
C) Vectors A and B must have the same magnitudes.
D) Vectors A and B must be perpendicular.
E) The magnitude of A is the negative of the magnitude of B.
Vectors M and N satisfy the equation M + N = 0. These vectors satisfy one of the following statements.
A) Vectors M and N are at right angles to each other.
B) Vectors M and N point in the same direction.
C) The magnitude of M is the negative of the magnitude of N.
D) The magnitude of M is twice the magnitude of N.
E) Vectors M and N have the same lengths.
EXPERT ANSWER
Answer :E) 270°.
Answer :E) 360°
When vectors A and B are added together they form vector C and these vectors satisfy the relationship A2 + B2 = C2. Which statement is true for these vectors?
A) Vectors A and B must be parallel.
B) Vectors A and B must be anti-parallel.
C) Vectors A and B must have the same magnitudes.
D) Vectors A and B must be perpendicular.
E) The magnitude of A is the negative of the magnitude of B.
Answer :D) Vectors A and B must be perpendicular.
Vectors M and N satisfy the equation M + N = 0. These vectors satisfy one of the following statements.
A) Vectors M and N are at right angles to each other.
B) Vectors M and N point in the same direction.
C) The magnitude of M is the negative of the magnitude of N.
D) The magnitude of M is twice the magnitude of N.
E) Vectors M and N have the same lengths.
Answer :E) Vectors M and N have the same lengths.
Answer : A) 8.0 m