2 years ago

Which of the following correctly arranges the planets by the size of their diameter in increasing order?

Physics

1 answer:

Oksanka [162]2 years ago

6 0

Answer:

Mercury<Venus<Earth<Mars<Jupiter< Saturn< Uranus<Neptune

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A spring with a rest length of 0.7 m has a spring constant of 70 N/m. It is stretched and now has a length of 2.5 m. What is the

pentagon [3]

Answer:

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.

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

The spring has a natural length of 0.7 m and a spring constant of k=70 N/m. When the spring is stretched to a length of 2.5 m, the change of length is

Δx = 2.5 m - 0.7 m = 1.8 m

The energy stored in the spring is:

$\displaystyle PE = \frac{1}{2}70(1.8)^2$

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If all the heat energy contained in a body is removed and changes in its temperature is described below in detail.

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