arianna4017
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Anaya Goodloe decides to spike the football after a big touchdown (on Earth) and it
bounces back up off the ground and is airborne for 3.2 seconds. With what velocity did the football leave the ground after the spike?​

Respuesta :

Answer:

The football leaves with the velocity, u = 15.68 m/s

Explanation:

Given data,

The football bounces back up off the ground and is airborne for, t = 3.2 s

Let the football bounces back up off the ground in the vertical direction

The formula for time of flight is given by,

                              t = 2u /g

∴                             u = gt / 2

Substituting the values,

                               u = 9.8 x 3.2 / 2

                                u = 15.68 m/s

Hence, the football leaves with the velocity, u = 15.68 m/s

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