dane:
m=20t= 20 000 kg
v= 100 m/s
Szukane:
W = ?
Rozw.
mv2/2
[Ek] = kg x (m/s )2 = J
Ek= 20 000 kg x 100 (m/s )2 / 2
Ek = 100000000J = 100MJ
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dane:
m=20t= 20 000 kg
v= 100 m/s
Szukane:
W = ?
Rozw.
mv2/2
[Ek] = kg x (m/s )2 = J
Ek= 20 000 kg x 100 (m/s )2 / 2
Ek = 100000000J = 100MJ