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:

Consideration

In contract law, consideration refers to something of value that is exchanged between parties as part of an agreement.

Promisee

The party in a contract who is to receive the benefit of the promise or action stipulated in the agreement.

Promisor

A party who makes a promise or commitment in a contract.

Past Consideration

Refers to something of value that was given or an act that was performed in the past, which cannot be considered valid consideration for a current contract.