R=100 μ=0.4 v=?
m*v²/R=μ*m*g
v=√(μ*g*R)=√(0.4*10*100)=20 м/с
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R=100 μ=0.4 v=?
m*v²/R=μ*m*g
v=√(μ*g*R)=√(0.4*10*100)=20 м/с
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