An Observer Is Moving in Space Toward a Distant Star

question 52

Multiple Choice

An observer is moving in space toward a distant star at 200 km/s while the star is moving toward the observer at 400 km/s; the relative velocity being 600 km/s of approach. What relative change in frequency of the light from the star as seen by the observer? (The speed of light in space is 3.00 *10⁵ km/s) .

• A) 0.067% increase
• B) 0.20% decrease
• C) 0.20% increase
• D) 0.033% decrease

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Sensitive

Having a heightened capacity for emotional or physical response to stimuli; easily affected or responsive.

Behavior

The observable actions or responses of humans or animals.

Child Maltreatment

Encompasses all forms of physical and emotional ill-treatment, sexual abuse, neglect, and exploitation that results in actual or potential harm to the child's health, development, or dignity.

Coping Skills

Techniques or strategies used to manage stress, challenges, or emotional conflicts in a productive manner.