v=10м/с D=0.5 дптр t=?
F=1/D=1/0.5=2 м
s=2*F - F=2 м
t=s/v=2/10=0.2 c
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v=10м/с D=0.5 дптр t=?
F=1/D=1/0.5=2 м
s=2*F - F=2 м
t=s/v=2/10=0.2 c
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