S=t^3
V=3t^2
a=6t
F=ma=12t
A=∫FdS=∫F*3*t^2dt=∫12t*3t^2dt=36∫t^3dt=9*t^4
ответ A=9*2^4=9*16=144Дж
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S=t^3
V=3t^2
a=6t
F=ma=12t
A=∫FdS=∫F*3*t^2dt=∫12t*3t^2dt=36∫t^3dt=9*t^4
ответ A=9*2^4=9*16=144Дж