Two Stars Are at Rest Relative to Each Other $68.7 \text { light-years }$

question 18

Multiple Choice

Two stars are at rest relative to each other.In their common rest frame,these stars are 90.0 light-years apart.If they are measured to be $68.7 \text { light-years }$ apart by the navigator of a spaceship traveling between them,how fast is the spaceship moving relative to these stars?

• A)0.646c
• B)0.604c
• C)0.558c
• D)0.505c

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Definitions:

Diabetic Footwear

Specially designed shoes intended to reduce the risk of skin breakdown in diabetics with existing foot disease, providing support and reducing pressure points.

Soiled Dressings

Bandages or materials that have been used to cover wounds and have become dirty or contaminated with bodily fluids and need to be changed to prevent infection.

Contaminated

Refers to objects or areas that have been infected with pathogens or polluted with hazardous substances.

Wound Treatment

Medical management and care strategies applied to injuries involving breaks in the skin or underlying tissues to promote healing and prevent infection.