2 years ago

Fill in the blank for the following statement: Physical weathering is the ________.

Physics

2 answers:

Tanya [424]2 years ago

4 0

Answer:

Breakdown of rocks

Hope this helps :)

Nimfa-mama [501]2 years ago

3 0

Answer:

Disintegration of rocks without chemical change.

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Name the stages of a volcano and name the three different types of volcano mountains caused by the lava buildup.

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Answer:

Active—A volcano is active if it is erupting, or may erupt soon. ...

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A bullet is fired into the air at an angle of 45°. How far does it travel before it is 1,000 feet above the ground? (Assume that

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Answer:

It travels 1414 feets.

Explanation:

Let's take the length the bullet travels l as the hypotenuse of a right triangle and the height it reaches one of its sides. Since we got the angle α at which it was fired and the height h it reached, we can calculate l using the sin(α) function:

$sin(\alpha )=\frac{opposite side}{hypotenuse}\\sin(\alpha)=\frac{h}{l}\\l=\frac{h}{sin(\alpha)}$