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Rainbow [258]
3 years ago
10

Which is the most abundant element in the Sun?

Physics
1 answer:
Delvig [45]3 years ago
5 0
The answer is hydrogen.
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Which best explains why a wood-burning fireplace represents an open system?
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Why does a projectile fired along a horizontal not follow a straight path?​
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Explanation:

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3 years ago
We can model a pine tree in the forest as having a compact canopy at the top of a relatively bare trunk. Wind blowing on the top
frez [133]

We need to consider for this exercise the concept Drag Force and Torque. The equation of Drag force is

F_D = c_D A \frac{\rho V^2}{2}

Where,

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A = Area

\rho= Density

V = Velocity

Our values are given by,

c_D = 0.5 (That is proper of a cone-shape)

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Part A ) Replacing our values,

F_D = 0.5*9*\frac{1.2*6.5^2}{2}

F_D = 114.075N

Part B ) To find the torque we apply the equation as follow,

\tau = F*d

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3 years ago
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g100num [7]
A scientific law is the simple mathematical expression of the relationship involved. A principle is the same relationship expressed in words. A theory is the explanation of the facts that make up the relationship.
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