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

question 64

Multiple Choice

Two spaceships,each 100 m long in its own rest frame,approach Earth from opposite directions,each with a speed 0.50c relative to Earth.As measured by a passenger in one of the spaceships,how long is the other spaceship?

• A)50 m
• B)60 m
• C)70 m
• D)80 m
• E)90 m

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Definitions:

Neurological Damage

Harm or dysfunction in the nervous system, often resulting from injury, illness, or trauma.

Radial Pulse

The pulse felt at the wrist where the radial artery runs, used to measure heart rate and rhythm.

Apical Pulse

The heart rate as measured at the apex of the heart, typically through auscultation with a stethoscope, reflective of the actual heartbeat.

Pulse Deficit

The difference between the heart rate measured at the apex of the heart and the rate measured at the wrist or other peripheral site, indicating a discrepancy in the heart's efficiency.