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Physics
Physics
Problem
A hiker walks along a straight trail. First, the hiker moves
+
60
m
+60\,\text{m}
+
60
m
, then
−
25
m
-25\,\text{m}
−
25
m
, and finally
+
15
m
+15\,\text{m}
+
15
m
, where the positive direction is east. What is the hiker’s resultant displacement? a)
100
m
100\,\text{m}
100
m
east b)
20
m
20\,\text{m}
20
m
east c)
50
m
50\,\text{m}
50
m
east d)
50
m
50\,\text{m}
50
m
west
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