Question

If a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown what is its displacement?

Answer 1

it's displacement will be zero

Answer 2

Given info : a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown.

To find : the displacement covered by the boomerang.

Solution : displacement of an object is the minimum seperation between its final position to its initial position.

I.e., displacement = final position - initial position.

Here a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown.

It means, final position of boomerang = initial position of it

⇒displacement = final position - initial position = 0

Therefore displacement covered by the boomerang is zero.

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