Zad 3
m = 4kg
Ep = 150J
g = 10 m/s²
Ep =mgh ⇒ h = Ep/mg = 150 / 40 = 3,75 m
Zad 4
m = 80kg
v = 36km/h = 10m/s
Ek = mv²/2 = 80 * 100 /2 = 4000J
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Zad 3
m = 4kg
Ep = 150J
g = 10 m/s²
Ep =mgh ⇒ h = Ep/mg = 150 / 40 = 3,75 m
Zad 4
m = 80kg
v = 36km/h = 10m/s
Ek = mv²/2 = 80 * 100 /2 = 4000J