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Physics
Physics
Problem
Identify the correct unit-vector representation of a displacement of magnitude
10
m
10\,\text{m}
10
m
making an angle of
37
∘
37^{\circ}
3
7
∘
above the positive x-axis. a)
6
i
^
+
8
j
^
m
6\,\hat i + 8\,\hat j\;\text{m}
6
i
^
+
8
j
^
m
b)
0.8
i
^
+
0.6
j
^
0.8\,\hat i + 0.6\,\hat j
0.8
i
^
+
0.6
j
^
c)
8
i
^
+
6
j
^
m
8\,\hat i + 6\,\hat j\;\text{m}
8
i
^
+
6
j
^
m
d)
8
i
^
−
6
j
^
m
8\,\hat i - 6\,\hat j\;\text{m}
8
i
^
−
6
j
^
m
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