A 910-Kg Object Is Released from Rest at an Altitude

question 43

Multiple Choice

A 910-kg object is released from rest at an altitude of 1200 km above the north pole of the earth.If we ignore atmospheric friction,with what speed does the object strike the surface of the earth? (G = 6.67 × 10^-11 N ∙ m²/kg²,M_earth = 5.97 × 10²⁴ kg,the polar radius of the earth is 6357 km)

• A)4.5 km/s
• B)2.2 km/s
• C)2.7 km/s
• D)3.2 km/s
• E)4.8 km/s

---

Definitions:

Fromm

Erich Fromm was a psychoanalyst and social psychologist who explored the interaction between psychology and society, emphasizing the importance of love, freedom, and non-conformity in human development.

Identity Need

The psychological requirement for a sense of coherence and continuity in one's self-concept, important for mental health and well-being.

Fromm

Erich Fromm, a psychoanalyst and social philosopher, known for his theories on human nature, freedom, and modern society, including the need for belonging and love as central human drives.

Excitation And Stimulation

The processes through which external or internal factors activate physiological or psychological responses, leading to increased alertness, arousal, or activity.