Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
When two vectors
A
=
(
A
x
,
A
y
)
\mathbf{A}=(A_x, A_y)
A
=
(
A
x
,
A
y
)
and
B
=
(
B
x
,
B
y
)
\mathbf{B}=(B_x, B_y)
B
=
(
B
x
,
B
y
)
add to give the zero vector, which one of the following relations between their components is always true? a)
A
x
=
B
x
and
A
y
=
B
y
A_x=B_x \text{ and } A_y=B_y
A
x
=
B
x
and
A
y
=
B
y
b)
A
x
=
−
B
x
and
A
y
=
B
y
A_x=-B_x \text{ and } A_y=B_y
A
x
=
−
B
x
and
A
y
=
B
y
c)
A
x
=
−
B
x
and
A
y
=
−
B
y
A_x=-B_x \text{ and } A_y=-B_y
A
x
=
−
B
x
and
A
y
=
−
B
y
d)
A
x
=
B
y
and
A
y
=
−
B
x
A_x=B_y \text{ and } A_y=-B_x
A
x
=
B
y
and
A
y
=
−
B
x
Browse the problem library