Question

A bird has flown 850 km South for the winter when he realizes he as to go back because it is still summer. After traveling 320 km North, what is the birds displacement
with method

Answer 1

Answer:

530km

Explanation:

displacement is shortest path between final and initial position while distance is total path

so displacement here is 850-320=530 km

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Answer 2

The displacement of the bird is equal to 530 km towards South.

Given:

• A bird flying 850 km South.
• Flowing back 320 km North.

To find: The displacement of the bird

→ Displacement of an object -

• Displacement is defined as the shortest path between the initial and final position of the object.
• It has a direction and a magnitude and hence it is a vector quantity.
• Is also referred to as the change in the object's position.
• Displacement = |Final position - Initial position|

⇒ Displacement of the bird will be shortest distance of the bird from its
    initial position to its final position.
    = 850 - 320     (no conversion of units required as all the values are in
                               same units.)
    = 530 km

∴ The displacement of the bird is equal to 530 km towards South.

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