A Spaceship Is Moving Away from an Asteroid with a Speed

question 28

Multiple Choice

A spaceship is moving away from an asteroid with a speed of 0.80c relative to the asteroid.The spaceship then fires a missile with a speed of 0.50c relative to the spaceship.What is the speed of the missile measured by astronauts on the asteroid if the missile is fired toward the asteroid?

• A)0.30c
• B)0.50c
• C)0.93c
• D)1.3c
• E)0.65c

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Definitions:

Reader's Attention

The focus or interest of the reader that a writer aims to capture and maintain throughout their writing.

Dialectic Approach

A method of argument for resolving disagreement that involves the exchange of arguments and counter-arguments.

Indirect Approach

A communication strategy where the main point is not presented directly at the beginning.

Discretionary Approach

A method or strategy that allows for flexibility and personal judgment in decision-making processes.