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4 years ago

Which statement best describes what energy transfer diagrams show?

Physics

2 answers:

monitta4 years ago

6 0

Answer:

Every energy transformation results in a reduction of energy

Explanation:

yanalaym [24]4 years ago

6 0

Answer:

Energy can change form, but the total amount of energy stays the same.

Explanation:

Energy transformation diagrams shows the different forms of energy which are converted into different forms.

As we know by an example of potential energy to kinetic energy conservation when a block is compressed against the spring then initially total energy is in the form of elastic potential energy of the spring.

When block is released then total potential energy of the block is converted into the kinetic energy of the block.

So here we know that in energy transfer diagram shows the transformation of energy while total energy will always remains conserved.

so here correct answer would be

Energy can change form, but the total amount of energy stays the same.

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Mamont248 [21]

Let $y_0$ be the height of the building and thus the initial height of the ball. The ball's altitude at time $t$ is given by

$y=y_0+\left(15\dfrac{\rm m}{\rm s}\right)\sin35^\circ\,t-\dfrac g2t^2$

where $g=9.80\frac{\rm m}{\mathrm s^2}$ is the acceleration due to gravity.

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$0=y_0+\left(15\dfrac{\rm m}{\rm s}\right)\sin35^\circ(2.9\,\mathrm s)-\dfrac12\left(9.80\dfrac{\rm m}{\mathrm s^2}\right)(2.9\,\mathrm s)^2$

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The length of a rectangular sheet of metal decreases by 34.5 cm. Its width decreases proportionally. If the sheets original widt

devlian [24]

The original width was 94.71 cm
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