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4 years ago

Caves are formed from:

2 answers:

6 0

Caves are formed by the dissolution of limestone. Rainwater picks up carbon dioxide from the air and as it percolates through the soil, which turns into a weak acid. This slowly dissolves out the limestone along the joints, bedding planes and fractures, some of which become enlarged enough to form caves

Furkat [3]4 years ago

3 0

Answer:

The correct answer is limestone.

Explanation:

A cave is the product of undone limestone.

This stone is weakened by the rain and carbon dioxide that is absorbed by the soil, this causes the stone to fracture, sometimes enough to form a cave.

Where there is more water flow, the bigger the cave will be.

What is necessary for a cave to form is a stone that can be diluted with water.

Because of gravity, water will always want to go down, this is what will cause the rock to dissolve forming different types of caves.

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3 years ago

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3 years ago

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3 years ago

A 1050 W carbon-dioxide laser emits light with a wavelength of 10μm into a 3.0-mm-diameter laser beam. What force does the laser

avanturin [10]

The force exerted by the laser beam on a completely absorbing target is $3.5 \times 10^{-6} \ N$ .

The given parameters;

<em>power of the laser light, P = 1050 W</em>
<em>wavelength of the emitted light, λ = 10 μm </em>

The speed of the emitted laser light is given as;

v = 3 x 10⁸ m/s

The force exerted by the laser beam on a completely absorbing target is calculated as follows;

P = Fv

$F = \frac{P}{v} \\\\F = \frac{1050}{3\times 10^8} \\\\F = 3.5 \times 10^{-6} \ N$

Thus, the force exerted by the laser beam on a completely absorbing target is $3.5 \times 10^{-6} \ N$ .

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2 years ago