A body travels a distance of 3km towards East then 4km towards North and finally 9km towards East.
a. What is the total distance travelled?
b. What is the resultant displacement?
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Explanation:
) Total distance travelled =3+4+9=16 km
(ii) The body travels a total distance of 12 km in east direction i.e. towards x-axis.
And it travels a distance of 4 km in North direction, i.e. towards y-axis.
Hence, resultant displacement is
=
12
2
+4
2
=
144+16
=
160
=12.6km
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