Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
The resultant displacement of a hiker is
R
=
8
i
^
+
6
j
^
m
\mathbf{R}=8\hat{i}+6\hat{j}\,\text{m}
R
=
8
i
^
+
6
j
^
m
. One of his displacements is
A
=
3
i
^
+
4
j
^
m
\mathbf{A}=3\hat{i}+4\hat{j}\,\text{m}
A
=
3
i
^
+
4
j
^
m
. What is the other displacement
B
\mathbf{B}
B
? a)
11
i
^
+
10
j
^
m
11\hat{i}+10\hat{j}\,\text{m}
11
i
^
+
10
j
^
m
b)
5
i
^
+
2
j
^
m
5\hat{i}+2\hat{j}\,\text{m}
5
i
^
+
2
j
^
m
c)
−
5
i
^
−
2
j
^
m
-5\hat{i}-2\hat{j}\,\text{m}
−
5
i
^
−
2
j
^
m
d)
4
i
^
+
3
j
^
m
4\hat{i}+3\hat{j}\,\text{m}
4
i
^
+
3
j
^
m
Browse the problem library