3 years ago

Corresponde al conjunto de puntos por donde pasa un cuerpo al moverse

Physics

1 answer:

Anna35 [415]3 years ago

6 0

Answer:

Means?

Explanation:

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A uniform solid disk of mass 5.00 kg and diameter 47.0 cm starts from rest and rolls without slipping down a 40.0 ∘ incline that

saveliy_v [14]

Answer:

The speed it reaches the bottom is

$v=6.51m/s$

Explanation:

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$m*g*h=\frac{1}{2}*m*v^2+\frac{1}{2}*I*w^2$

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$m*g*h=\frac{3}{4}*m*r^2*w^2$

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Solve to w'

$w^2=\frac{4*g*h}{3*r^2}$

$h=x*sin(30)=6.5m*sin(30)=3.25m$

$w=\sqrt{\frac{4*9.8m/s^2*3.25m}{3*(0.235m)^2}}$

$w=27.74rad/s$

$v=27.74rad/s*0.235m=6.51m/s$

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