A Star Is Moving Towards the Earth with a Speed

question 50

Multiple Choice

A star is moving towards the earth with a speed at 90% the speed of light.It emits light,which moves away from the star at the speed of light.Relative to us on earth,what is the speed of the light moving toward us from the star?

• A) 0.90c
• B) c
• C) 1.1c
• D) 1.20c
• E) 1.9c

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Definitions:

Biochemical Machinery

The complex systems and processes of biochemical reactions and interactions within living organisms.

Autonomic Nervous System

The part of the nervous system that controls involuntary bodily functions, including heart rate, digestion, and respiratory rate.

Blood Vessels

Tubular structures carrying blood through the tissues and organs; a vein, artery, or capillary.

Internal Organs

Organs located inside the body that perform essential functions necessary for survival, such as the heart, liver, and kidneys.