An Object Is Released from Rest at a Distance H $$\left[ \frac { 2 G M h } { R ( R + h ) } \right] ^ { 1 / 2 }$$

question 4

Multiple Choice

An object is released from rest at a distance h above the surface of a planet (mass = M,radius = R < h) .With what speed will the object strike the surface of the planet? Disregard any dissipative effects of the atmosphere of the planet.

• A) \[\left[ \frac { 2 G M h } { R ( R + h ) } \right] ^ { 1 / 2 }\]
• B) \[\left[ \frac { 2 G M } { R } \right] ^ { 1 / 2 }\]
• C) \(\left[ \frac { 2 G M ( h - R ) } { R h } \right] ^ { 1 / 2 }\)
• D) \(\left[ \frac { 2 G M } { R + h } \right] ^ { 1 / 2 }\)
• E) \(\left[ \frac { 2 G M } { R - h } \right] ^ { 1 / 2 }\)

Recognize the limitations of causal reasoning methods in establishing causality.

Synthesize learned methods to approach and explain real-world problems.

Understand what an argument by analogy is and how it functions.

Identify the necessary components of a strong argument by analogy.

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