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Physics
Physics
Problem
A car moves along a straight road from
x
=
−
30
m
x=-30\,\text{m}
x
=
−
30
m
to
x
=
+
50
m
x=+50\,\text{m}
x
=
+
50
m
. Find its displacement. a)
+
20
m
+20\,\text{m}
+
20
m
b)
−
80
m
-80\,\text{m}
−
80
m
c)
+
80
m
+80\,\text{m}
+
80
m
d)
+
50
m
+50\,\text{m}
+
50
m
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