Physique/Chimie

Question

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 12.0 seconds. If the wheel is 9.80 m / s², then the height of the window is above t

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  • 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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