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liubo4ka [24]
2 years ago
15

Is the statement down below true or false?

Physics
2 answers:
PtichkaEL [24]2 years ago
8 0
The answer is True
The center of the orbital ellipse is always at one point of the suns center ( meaning the suns center is always found or located at one of the focuses of the orbital ellipse )
Nadusha1986 [10]2 years ago
7 0

Answer:

True

Kepler's First Law: each planet's orbit about the Sun is an ellipse. The Sun's center is always located at one focus of the orbital ellipse. The Sun is at one focus. The planet follows the ellipse in its orbit, meaning that the planet to Sun distance is constantly changing as the planet goes around its orbit.

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Magnetic resonance imaging (mri) depends on the presence in tissue of __________________.
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Answer:

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A meteor is approaching earth, what's its motion?
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Two pulses are moving along a string. One pulse is
raketka [301]

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What is the length a rubberband was stretched if it has a spring constant of 5700N/m and is currently holding 8600J OF POTENTIAL
lozanna [386]

Answer:

\displaystyle \Delta x=1.74\ m

Explanation:

<u>Elastic Potential Energy </u>

Is the energy stored in an elastic material like a spring of constant k, in which case the energy is proportional to the square of the change of length Δx and the constant k.

\displaystyle PE = \frac{1}{2}k(\Delta x)^2

Given a rubber band of a spring constant of k=5700 N/m that is holding potential energy of PE=8600 J, it's required to find the change of length under these conditions.

Solving for Δx:

\displaystyle \Delta x=\swrt{\frac{2PE}{k}}

Substituting:

\displaystyle \Delta x=\sqrt{\frac{2*8600}{5700}}

Calculating:

\displaystyle \Delta x=\sqrt{3.0175}

\boxed{\displaystyle \Delta x=1.74\ m}

6 0
3 years ago
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