Physics

To find the height of the bridge above the river, we can use the time the skateboarder spent in the air and the equation of motion for vertical projectile motion:

Vertical displacement (Dy) = Initial vertical velocity * Time + (1/2) * Acceleration due to gravity * Time²

In this case, we know that the time spent in the air is 0.79 s, and we need to find the vertical displacement (Dy), which represents the height of the bridge above the river.

Since the skateboarder ...