Odpowiedź:
E = Ek + Ep
Ek:
Ek = 1/2mv^2
m = 5t = 5000kg
v = 2000km/h = 556m/s
Ek = 1/2*5000*(556)^2 = 772 840 000 J
Ep
Ep = mgh
m = 5000kg
g = 10m/s^2
h = 10km = 10000m
Ep = 5000*10*10000 = 500 000 000 J
E = 772 840 000 + 500 000 000 = 1 222 840 000J
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Odpowiedź:
E = Ek + Ep
Ek:
Ek = 1/2mv^2
m = 5t = 5000kg
v = 2000km/h = 556m/s
Ek = 1/2*5000*(556)^2 = 772 840 000 J
Ep
Ep = mgh
m = 5000kg
g = 10m/s^2
h = 10km = 10000m
Ep = 5000*10*10000 = 500 000 000 J
E = 772 840 000 + 500 000 000 = 1 222 840 000J