In Outer Space,there Are Two Astronauts at Rest,one 20

question 58

Multiple Choice

In outer space,there are two astronauts at rest,one 20.0 m from the space shuttle and the other 40.0 m away from the shuttle.By using a 20-W laser,the astronaut located 40.0 m away from the shuttle decides to propel the other astronaut towards the space shuttle.He focuses the laser on a piece of totally reflecting fabric on her space suit.If her total mass with equipment is 100 kg,how long will it take her to reach the space shuttle?

• A)2.2 hours
• B)10 hours
• C)23 hours
• D)48 hours

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Definitions:

Color Vision

The ability of the eyes to distinguish different wavelengths of light, enabling us to see a spectrum of colors.

Christine Ladd-Franklin

An American psychologist and logician known for her work in psychology of vision and color theory, as well as being one of the first women to make significant contributions to the field of psychology.

Unconscious Mind

Part of the mind that is inaccessible to the conscious mind but that affects behavior and emotions.

Psychoanalysis

A set of theories and therapeutic methods related to the study of the unconscious mind, which together form a method of treatment for mental disorders.