At a Given Point Above Earth's Surface,the Free-Fall Acceleration Is $7.8 \mathrm {~m} / \mathrm { s } ^ { 2 }$

question 105

Multiple Choice

At a given point above Earth's surface,the free-fall acceleration is equal to $7.8 \mathrm {~m} / \mathrm { s } ^ { 2 }$ What is the altitude of this point above Earth's surface? (G = 6.67 × 10^-11 N ∙ m²/kg²,M_earth = 5.97 × 10²⁴ kg,R_earth = 6.38 × 10⁶ m)

• A)770 km
• B)970 km
• C)1500 km
• D)2000 km
• E)2400 km

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Definitions:

Sympathetic

Relating to, or denoting the part of the autonomic nervous system that accelerates the heart rate, constricts blood vessels, and raises blood pressure or showing feelings of pity and sorrow for someone else's misfortune.

Somatic

Pertaining to or affecting the body, especially as distinct from the mind or the environment.

Central

Pertaining to the most important or core part of something, often referring to the main or primary focus or system within a larger context.

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for action, stress, or emergency situations by activating the fight or flight response.