Question

A dog walks 50m East and then 23m West. What is its displacement?

Answer 1

Answer:

73 meter

Explanation:

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Answer 2

The displacement of the dog is equal to 27m towards East.

Given:

• A dog walks 50m East.
• And then walks 23m West.

To find: The displacement of the dog.

→ Displacement of an object -

• The shortest path between the initial and final position of the object is called the displacement of the object
• Is a vector quantity.
• It has a direction and a magnitude.
• Change in the object's position is also referred to as displacement.

→ Displacement = |Final position - Initial position|

⇒ The shortest distance of the dog between its initial position to its final
    position will give the displacement of the dog.

   = 50 - 23     ( there is no need for unit conversion as all the values are
                         in same units i.e., meters only)

   = 27m

∴ The displacement of the dog is equal to 27m towards East.

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