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I was at my grandmother’s house, climbing up the apple tree.

Suddenly, an apple fell from a Branco 17feet from the ground.

How long did it take the apple to hit the ground?

How long would  it take the apple to hit the ground if i threw it from

The same Branco, at a velocity of  -8feet/sec?

H=-16t²+S                                 h=-16t²+vt+S                    

                                                       0=-16t²+-8t+17

0=-16t²+17                                      x=-b+√b²-4ac

-17          -17                                             2a                                                      

-17=-16t²                      

-16    -16                                  A=16              t=+8+√-8²-4(-16)(17)

                                                B=-8                     2(-16)

                                               C=17                   t=-8+√+64=108 5

1.06=t²                                                                                                      

                                                                                            -32

+ 1.03=t                                                                +8+√1152

                                                                                   -32

                                                              +8+33.94

                                                                  -32

                                                         +0.81        _1.31