A Spaceship Captain Lands on an Unknown Planet

question 5

Short Answer

A spaceship captain lands on an unknown planet. Before venturing forth, he needs to find out the acceleration due to gravity on that planet. All he has available to him is some thin light string, a stopwatch, and a small 2.75-kg metal ball (it was a rough landing). So he lets the ball swing from a 1.5-m length of the string, starting at rest, and measures that it takes 1.9 s for it to swing from the place where he released it to the place where it first stops as it reverses direction. What is the acceleration due to gravity on this planet?

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Definitions:

Social Interaction

Social interaction is the process by which individuals act and react to those around them, based on verbal communication, non-verbal gestures, and shared cultural norms.

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involves exploration and analysis of one's identity, behavior, and individuality, often a focus in psychology and philosophy.

Looking-glass Self

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