A Spaceship Traveling at Constant Speed Passes by Earth and Later

question 19

Multiple Choice

A spaceship traveling at constant speed passes by Earth and later passes by Mars. In which frame of reference is the amount of time separating these two events the proper time?

• A) the Earth frame of reference
• B) the Mars frame of reference
• C) the spaceship frame of reference
• D) any inertial frame of reference
• E) any frame of reference, inertial or not

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Definitions:

Heart Rate

The number of times the heart beats per minute, indicating cardiovascular health.

Validating Subjective Data

The process of confirming data based on the patient's personal experiences to ensure accuracy in diagnosis and care planning.

Physical Care Technique

A method or practice employed in the physical care or treatment of patients, which can range from medical procedures to therapeutic exercises.

Cardiopulmonary Resuscitation

A life-saving technique involving chest compressions and rescue breaths to support and maintain breathing and circulation in someone who has suffered cardiac arrest.