Odpowiedź:
F = 40N
s = 80cm = 0,8 m
------------------------
W ?
W = F*s = 40N*0,8m = 32 J
W = 32 J ---> odp. B
Wyjaśnienie:
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Odpowiedź:
F = 40N
s = 80cm = 0,8 m
------------------------
W ?
W = F*s = 40N*0,8m = 32 J
W = 32 J ---> odp. B
Wyjaśnienie: