Two Spaceships,each 100 M Long in Its Own Rest Frame,approach

question 7

Multiple Choice

Two spaceships,each 100 m long in its own rest frame,approach Earth from opposite directions,with equal speeds relative to Earth.As measured by a passenger in one of the spaceships,the other spaceship is 96 m long.What is the speed of the spaceships relative to Earth?

• A)c/7
• B)c/6
• C)c/5
• D)c/4
• E)c/3

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Definitions:

Psychotherapy

The management of mental illness through psychological methods instead of medical treatments.

M'Naghten Rule

A legal standard used to determine whether a defendant was sane at the time of committing a crime, focusing on their ability to understand right from wrong.

Insanity

A legal term for a mental disorder so severe that it prevents a person from understanding the difference between right and wrong or from being able to control their actions.

Systematic Desensitization

A behavioral therapy technique used to help individuals overcome phobias and anxieties by gradually exposing them to the feared object or context without any danger.