Consider a Small Comet Nucleus, Whose Diameter Is 1 Km

question 65

Essay

Consider a small comet nucleus, whose diameter is 1 km and mass is 5 * 10¹¹ kg, hitting the Earth head-on, traveling at a speed of 1,000 m/s. How many times larger or smaller is the comet's kinetic energy compared to that of a typical train pulling 20 boxcars whose total mass is 2 * 10⁶ kg and speed is 25 m/s?

---

Definitions:

Actor/Observer Bias

A cognitive bias involving the tendency to attribute one's own actions to external factors, while attributing others' actions to their personalities.

Mere Exposure Effect

The mere exposure effect is a psychological phenomenon where people tend to develop a preference for things merely because they are familiar with them.

Attributional Style

A person's habitual way of explaining outcomes in their life, whether these are positive or negative events.

Situational Factors

Variables that affect consumer buying decisions and behaviors that are influenced by external conditions rather than internal or personal characteristics.