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3 years ago

Which practice fits the definition of conservation?

Physics

1 answer:

Doss [256]3 years ago

5 0

Answer:

recycling cans that contain a material like aluminum

Explanation:

Conservation of resources is the sustainable use of available resources to ensure their continuous availability.

Resources are limited in the environment and they cannot satisfy all of our wants. Therefore, we need to ration them in the best way possible.

Recycling is one of such ways in which materials are conserved.
In recycling is the process of converting wastes into new materials.
The metals won from the recycling cans can be used again and new aluminium prospects would not have to be mined again.

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Answer:

<h2>744.8N is the answer . Explanation is in the attachment .</h2>

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3 years ago

A block of mass m is pushed up against a spring, compressing it a distance x, and the block is then released. The spring project

Gwar [14]

Answer:

$x' = 10 x$

Explanation:

By energy conservation we know that spring energy is converted into kinetic energy of the block

so we will have

$\frac{1}{2}kx^2 = \frac{1}{2}mv^2$

so we will have

$v = \sqrt{\frac{k}{m}}(x)$

now we will have same thing for another mass 4m which moves out with speed 5v

so we have

$5v = \sqrt{\frac{k}{4m}}(x')$

now from above two equations we have

$\frac{5v}{v} = \frac{x'}{2x}$

so we have

$x' = 10 x$

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