Verified answer

m=0.1 кг   k=10 Н/м    a=4 м/с²   x=?

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|a|=A*ω²*sin(ωt)

x=A*sin(ωt)

ω²=k/m

ax=a*m/k=4*0.1/10=0.04 м   (4 см)

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