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verytguy
@verytguy
June 2022
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Помогите с заданием по физике
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sokolovvovikn
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11) T=t/N=8/10=0,8 c
T=2*pi*sqrt(m/k)
m=T^2*k/4*pi^2=0,8^2*40/4*10=0,64 кг=640 г
12) T=t/N=16/10=1,6 с
T=2*pi*sqrt(L/g) g=4*pi^2*L/T^2=4*10*0,25/1,6^2=3,9 м/с2
13) m*g*h=m*V^2/2
V=sqrt(2*g*h)=sqrt(2*10*0,2)=2 м/с
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Answers & Comments
Verified answer
11) T=t/N=8/10=0,8 cT=2*pi*sqrt(m/k)
m=T^2*k/4*pi^2=0,8^2*40/4*10=0,64 кг=640 г
12) T=t/N=16/10=1,6 с
T=2*pi*sqrt(L/g) g=4*pi^2*L/T^2=4*10*0,25/1,6^2=3,9 м/с2
13) m*g*h=m*V^2/2
V=sqrt(2*g*h)=sqrt(2*10*0,2)=2 м/с