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Kobotan [32]
2 years ago
9

Indicate all the forces acting on a block of wood​

Physics
1 answer:
Bingel [31]2 years ago
7 0

Answer:

- it would probably snap or brake - that qustion makes no sense

Explanation:

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The gravitational pull is weaker.
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A 60.0-kg skier with an initial speed of 12.0 m/s coasts up a 2.50-mhigh rise and angle is 35 degrees.Find her final speed at th
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Wt. = Fg = m*g = 60kg * 9.8N/kg=588 N.= 
<span>Wt. of skier. </span>

<span>Fp=588*sin35 = 337 N.=Force parallel to </span>
<span>incline. </span>
<span>Fv = 588*cos35 = 482 N. = Force perpendicular to incline. </span>

<span>Fk = u*Fv = 0.08 * 482 = 38.5 N. = Force </span>
<span>of kinetic friction. </span>
<span>d =h/sinA = 2.5/sin35 = 4.36 m. </span>

<span>Ek + Ep = Ekmax - Fk*d </span>
<span>Ek = Ekmax-Ep-Fk*d </span>
<span>Ek=0.5*60*12^2-588*2.5-38.5*4.36=2682 J. </span>
<span>Ek = 0.5m*V^2 = 2682 J. </span>
<span>30*V^2 = 2682 </span>
<span>V^2 = 89.4 </span>
<span>V = 9.5 m/s = Final velocity.</span>
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the correct answer is transverse

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A wave that can travel through empty space?
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Answer: B. Mechanical Waves

Explanation:

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The correct answer:

nebular theory

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-the Big bang theory is about the origin of the universe

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