Question

a boy travel a distance of 10 m towards south then he ran towards east and travel 12 metre in that direction calculate the total distance travelled and displacement from initial positon​

Answer 1

AnsweR:

Given:

• The boy travels 10 metres south
• And then travels 12 metre East

To Find:

• Total distance travelled
• Displacement from initial position

Solution:

Refer to the attached photo for the diagram.

The total distance travelled by the boy will be:

➜10 metres South + 12 metres East

➜22 metres

The displacement displacement from the initial position will be:

➜Distance AB

To find the distance AB, we have to use Pythagoras theorem.

➜ AO² + OB² = AB²

➜ 10² + 12² = AB²

➜ 100 + 144 = AB²

➜ 244 = AB²

➜ AB = 15.62 metres

$\rule{200}2$

✓ What is Distance?

Distance is the total distance travelled by a body.

✓ What is displacement?

It is the shortest distance between the initial position and the final position of the body.

$\rule{200}4$

Answer 2

distance =10+12=22m

displacement=√10^2+12^2

=15.62 m

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