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Onicsy
@Onicsy
July 2022
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3 или 4 помогите физика
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fatt52
Verified answer
L=10 м h=5 м t=4 c μ=?
=============================
sinα=h/L=5/10=0.5
cosα=√(L²-h²)/L=0.87
L=a*t²/2
a=g*(sinα-μ*cosα)
μ=(sinα - 2*L/(t²*g))/cosα=(0.5 - 2*10/(16*10))/0.87=0.43
===========================
0 votes
Thanks 1
Onicsy
можно
Onicsy
4 тоже
Onicsy
у меня там есть задани е на руском
Onicsy
https://znanija.com/task/21818671
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Answers & Comments
Verified answer
L=10 м h=5 м t=4 c μ=?=============================
sinα=h/L=5/10=0.5
cosα=√(L²-h²)/L=0.87
L=a*t²/2
a=g*(sinα-μ*cosα)
μ=(sinα - 2*L/(t²*g))/cosα=(0.5 - 2*10/(16*10))/0.87=0.43
===========================