Odpowiedź:
F= m×a
a= Vk/t
a= 5m/s/4s= 1.25m/s2
F= 2kg×1.25m/s2= 2.5N
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Odpowiedź:
F= m×a
a= Vk/t
a= 5m/s/4s= 1.25m/s2
F= 2kg×1.25m/s2= 2.5N