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Physics
Physics
Problem
A scooter is at
+
12
m
+12\,\text{m}
+
12
m
relative to lamp post
L
L
L
. It finally stops at
+
2
m
+2\,\text{m}
+
2
m
relative to bus stop
B
B
B
. The bus stop is
+
7
m
+7\,\text{m}
+
7
m
east of lamp post
L
L
L
. Calculate the scooter’s displacement relative to lamp post
L
L
L
. a)
+
3
m
+3\,\text{m}
+
3
m
b)
−
5
m
-5\,\text{m}
−
5
m
c)
−
3
m
-3\,\text{m}
−
3
m
d)
−
7
m
-7\,\text{m}
−
7
m
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