If you were told an atom was an ion, you would know the atom must have a ______?

Physics

1 answer:

andreyandreev [35.5K]3 years ago

3 0

Answer:

charge

Explanation:

7r0I and its etc. ,"!×_/;

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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]

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$\displaystyle \Delta x=1.74\ m$

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.

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