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An object fell from the window of a tall building and hit the ground within 12.0 seconds. If the wheel is 9.80 m / s², then the height of the window is above the ground

An Object Fell From The Window Of A Tall Building And Hit The Ground Within 120 Seconds If The Wheel Is 980 M S Then The Height Of The Window Is Above The Groun class=

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CROISIERFAMILY

Réponse :

Explications :

■ hello !

■ h = 0,5 x 9,8 t² = 4,9 t² avec t = 12 secondes

  donc hauteur = 705,6 mètres !

                            ( 2315 feet ! ☺ )

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