Question

the school of a boy from his home is 1 km to the east when he reaches back home he says that he had travelled 2 kilometre distance but his displacement is zero justify your answer?

Answer 1

Answer:

total distance traveled

=1km +1km

=2km

Displacement travelled by boy is

0=1km. -1kmm =0km

Answer 2

Answer:

Distance= 1km+ 1km =2km

Displacement = Distance of source from destination= 0

Explanation:

Distance: Distance is a scalar quantity and is basically the length of the path traveled irrespective of the direction.

Displacement: Displacement is a vector quantity and is the linear distance between the source and destination. The displacement depends only on the initial and final position and not the path.

Here boy goes from home to school i.e., 1km.

And then from school to home i.e., 1km.

Distance traveled is 1+1 =2 km.

Note that the initial position of the boy was home, and the final position of the boy is also home hence the displacement is 0.

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