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Владосизи
@Владосизи
July 2022
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Физика. Помогите срочно пж)!
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fatt52
Verified answer
1) F1-F2=m*a
a=(F1-F2)/m=(7-5)/2=1 м/с²
===
2) k=F1/x1=F2/x2
x2=F2*x1/F1=80*3/16=15 см
===
3) F1=√(F²-F2²)=√(1²-0.8²)=0.6 H
===
μ*m*g=k*x
x=μ*m*g/k=0.01*6.4*10/400=0.0016 м (0,16 см)
=======================================
1 votes
Thanks 1
Владосизи
Спасибо огромное!
AnonimAnonimAnon
1.
F=ma
a=F/m
F=7 Н - 5 Н = 2 Н
a= 2 Н / 2кг = 1 м/с^2
2.
F1=kx1
k=F1/x1
k=16Н/3см=5,3Н/см
F2=kx2
x2=F2/k
x2=80Н/5,3Н/см=15см
4.
Fпруж = Fтрения
Fпруж=kx
Fтр=μN
kx=μN
x=μN/k
N=mg
x=μmg/k
x=(0,01×6,4×10)/400=0,0016 м
0 votes
Thanks 1
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Answers & Comments
Verified answer
1) F1-F2=m*aa=(F1-F2)/m=(7-5)/2=1 м/с²
===
2) k=F1/x1=F2/x2
x2=F2*x1/F1=80*3/16=15 см
===
3) F1=√(F²-F2²)=√(1²-0.8²)=0.6 H
===
μ*m*g=k*x
x=μ*m*g/k=0.01*6.4*10/400=0.0016 м (0,16 см)
=======================================
F=ma
a=F/m
F=7 Н - 5 Н = 2 Н
a= 2 Н / 2кг = 1 м/с^2
2.
F1=kx1
k=F1/x1
k=16Н/3см=5,3Н/см
F2=kx2
x2=F2/k
x2=80Н/5,3Н/см=15см
4.
Fпруж = Fтрения
Fпруж=kx
Fтр=μN
kx=μN
x=μN/k
N=mg
x=μmg/k
x=(0,01×6,4×10)/400=0,0016 м