A Spaceship Is Observed from the Earth to Be Moving

question 9

Multiple Choice

A spaceship is observed from the Earth to be moving toward a star at a speed of 0.80 c. If the distance from the spaceship to the star is 1.6 ly as measured from Earth, how long does an observer on Earth find that it takes for the spaceship to reach the star?

• A) 2.0 y
• B) 2.1 y
• C) 1.6 y
• D) 1.2 y
• E) 0.96 y

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Definitions:

Change Agents

Experts in the application of behavioural science knowledge to organizational diagnosis and change.

OD Intervention

Strategies and activities designed to improve the health, performance, and effectiveness of organizations.

Diagnosis

The process of identifying and deciding on the nature of a problem or disease based on its symptoms.

Institutionalization

The process by which certain practices or norms become established and accepted in an organization or society as a whole.