akmalabdallah007 akmalabdallah007

25-05-2023
Physics

contestada

Calcule l'énergie
cinétique de Brian
et son scooter.
On convertit
la vitesse en m/s :
v = 40 km/h
v = 40 x 1 000 m 3 600 s
v = 11,1 m/s arrondis au dizième.
On applique la formule E = = = *
1
==
2
E = 0,5 x 150 x 11,1² = 9 240,8 J
xm x v².

Respuesta :

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