In the Previous Problem, If $y ( 0 ) = R$

question 29

Multiple Choice

In the previous problem, if $y ( 0 ) = R$ , the escape velocity is

• A) \(v _ { 0 } = 2 k / ( m R )\)
• B) \(v _ { 0 } = 2 R / ( m k )\)
• C) \(v _ { 0 } = 2 m / ( k R )\)
• D) \(v _ { 0 } = \sqrt { 2 m / ( k R ) }\)
• E) none of the above

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Definitions:

Chemical Weathering

The breakdown of rocks and minerals by chemical reactions with the environment, leading to alteration or decomposition.

Physical Weathering

The breakdown of rocks and minerals into smaller pieces by physical forces without changing their chemical composition.

Debris Flow

A moving mass of loose mud, sand, soil, rock, and water that travels down a slope under the influence of gravity.

Outer Weathered Zone

The outermost layer of Earth's surface that has been altered by weathering processes like wind, water, and chemical actions.