Question

2. A boy starts walking from his house and travels 10 m towards East, then 5 m towards North and finally 8 m towards West. Calculate the distance travelled and displacement of the boy.​

Answer 1

Answer:

Answer:

Sodium Hydroxide(NaOH) reacts with acetic acid (Ch3COOH) gives the product Sodium Acetate (CH3COONa) with water.

Answer 2

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A boy starts walking from his house and travels 10 m towards East, then 5 m towards North and finally 8 m towards West. Calculate the distance travelled and displacement of the boy.

$\huge\tt\colorbox{pink}{Answer}$

10 m

Let the east direction to be

i

^

and north direction be

j

^

.

Thus displacement of the man

S

=8

i

^

+6

j

^

OR

A man walks 8m towards East and then 6m towards North

Using pythagoras theorem P

2

=8

2

+6

2

=100

P=10m displacement is 10m

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