Physics

To determine the ratio of the ball's velocity just before and just after the rebound, we calculate the speeds based on the given heights and take the ratio.

 

Calculate the velocity just before impact ().

The velocity just before hitting the ground can be calculated using the formula:

 

Where:

(acceleration due to gravity)

 

 

 

 

Calculate the velocity just after the rebound ().

The velocity after the rebound can be calculated similarly using the rebound height:

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