72km/h=20m/s
Ek=m*v²/2
Ek=500kg*(20m/s)²/2
Ek=100000J
Ek=1000kg*(20m/s)²/2
Ek=200000J
Ek=m x v² x
Ek1=500kg x (20m/s)² x
Ek1=100000J = 100 kJ
Ek2=1000kg x (20m/s)² x
Ek2=200000J = 200kJ
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72km/h=20m/s
Ek=m*v²/2
Ek=500kg*(20m/s)²/2
Ek=100000J
Ek=1000kg*(20m/s)²/2
Ek=200000J
72km/h=20m/s
Ek=m x v² x
Ek1=500kg x (20m/s)² x
Ek1=100000J = 100 kJ
Ek2=1000kg x (20m/s)² x
Ek2=200000J = 200kJ