Question #273186

At what angle shall a curve be raised in order for a 1500.0-kg vehicle to make a turn around a 100.0-m circular track at a velocity of 30.0 m/s? 




1
Expert's answer
2021-11-30T17:44:58-0500

Solution.

m=1500.0kg;m=1500.0 kg;

r=100.0m;r=100.0 m;

v=30m/s;v=30 m/s;

θ?;\theta - ?;

Nsinθ=mv2r;Nsin\theta=\dfrac{mv^2}{r};

N=mgcosθ;N=\dfrac{mg}{cos\theta};

mgsinθcosθ=mv2r;mg\dfrac{sin\theta}{cos \theta}=\dfrac{mv^2}{r};

mgtanθ=mv2r;mgtan\theta=\dfrac{mv^2}{r};

tanθ=v2rg;tan \theta=\dfrac{v^2}{rg};

tanθ=900100.09.81=0.9174;tan \theta=\dfrac{900}{100.0\sdot9.81}=0.9174;

θ=42o;\theta=42^o;

Answer: θ=42o.\theta=42^o.


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