September 2018 2 25 Report

1.Dane: Szukane:

m=25kg trójkąt Ep=?

g=10m/s2

h=8m

2.Dane: Szukane:

m=2kg h=?

Ep=400j

g=10m/s2 h=400j/2kg x 10m/s2=?

3.Dane: Szukane:

m=1800kg Ek=?

v=120km/h Ek=1/2m x v2=

1/2 x 1800kg x (33m/s2)

za wszystko dzięki


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