The Quantity Which Does Not Change in Magnitude from That

question 30

Multiple Choice

The quantity which does not change in magnitude from that observed in system S when observed in system S' moving away from system S at speed v is

• A) m .
• B) m .
• C) (γ − 1)mc².
• D) E² − p²c².
• E) x² + y² + z².

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