m = 500g = 0,5kg
v = 72km/h = 20m/s
E = 0,5mv²
E = 0,5 x 0,5kg x (20m/s)² = 100J
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Feci, quod potui, faciant meliora potentes
Pozdrawiam :)
m=20kg
g=9,81=10
P=W/t
F=m*g
F=20*10
F=200N
W=10*200
W=2000
P=2000/2
P=1000
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m = 500g = 0,5kg
v = 72km/h = 20m/s
E = 0,5mv²
E = 0,5 x 0,5kg x (20m/s)² = 100J
----------------------------------------------------------------------------------------------------------
Feci, quod potui, faciant meliora potentes
Pozdrawiam :)
m=20kg
g=9,81=10
P=W/t
F=m*g
F=20*10
F=200N
W=10*200
W=2000
P=2000/2
P=1000