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zhenyamestnik
@zhenyamestnik
August 2022
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Помогите , 8 задача , срочно
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igmih64
Verified answer
L=Vo *Cos a*t
y=0 --->Vo*Sina*t - gt^2/2=0 или t(Vo Sina - gt/2)=0 ---> Vo Sina - gt/2=0
Vo=gt/2Sina =10*2/2*0,5=20 м/c
L=20*1,7=34 м
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MashaPutnaj
Verified answer
Дано t=2 с a=30 L- ?
t=2*Vo*sina/g
Vo=g*t/2*sina
L=Vx*t=Vo*cosa *t
L=g*t^2 *cosa/2*sina=g*t^2*√3/2=10*4*√3/2=34 м
Ответ L=34 м
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Answers & Comments
Verified answer
L=Vo *Cos a*ty=0 --->Vo*Sina*t - gt^2/2=0 или t(Vo Sina - gt/2)=0 ---> Vo Sina - gt/2=0
Vo=gt/2Sina =10*2/2*0,5=20 м/c
L=20*1,7=34 м
Verified answer
Дано t=2 с a=30 L- ?t=2*Vo*sina/g
Vo=g*t/2*sina
L=Vx*t=Vo*cosa *t
L=g*t^2 *cosa/2*sina=g*t^2*√3/2=10*4*√3/2=34 м
Ответ L=34 м