A Man in a Spacecraft That Is Moving with a Velocity

question 83

Multiple Choice

A man in a spacecraft that is moving with a velocity V₀ in free space runs forward and then stops.The center of mass of the system (that is,the ship and the man)

• A)slows while the man is running,then speeds up when he stops.
• B)slows while the man is running,then resumes its original velocity when he stops.
• C)moves faster while the man is running,then slows when he stops.
• D)moves faster while the man is running,then resumes its original velocity when he stops.
• E)continues all the while at its original velocity.

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