Question

A duck flying due south for the winter at 10.0 m/s meets a wind gust out of the north of 2.5 m/s. what is the resultant velocity of the duck?

Answer 1

The resultant velocity of the duck is ($\triangle$v)= 7.5m/s

How can we calculate the resultant velocity?

To calculate the resultant velocity of the duck we are using the formula here,

$\triangle$v= V₁ - V₂

Here we are given,

V₁= Velocity of the duck flying due south for the winter = 10.0 m/s

V₂= Velocity of the wind gust out of the north = 2.5 m/s.

As they came from the opposite direction the resultant velocity will be,

$\triangle$v= V₁ - V₂

Or, $\triangle$v= 10-2.5

Or, $\triangle$v= 7.5m/s.

From the above calculation we can conclude that, the resultant velocity of the duck is 7.5m/s.

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