Question

A boy starts from home and travels 60 m to the West and then turns at right angles towards the South. He
11 m and reaches the post office. How far is the post office from his home diagonally?
​

Answer 1

Answer:

Let the east direction to be

i

^

and north direction be

j

^

.

Thus displacement of the man

S

=8

i

^

+6

j

^

So, magnitude of displacement ∣

S∣=

6

2+8

2=

100

=10 m

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