Kim Is in a Spaceship Moving Past You at Half

question 78

Multiple Choice

Kim is in a spaceship moving past you at half the speed of light.Which of the following correctly describes how you will perceive each other's time?

• A)You will say that Kim's time is running slow,and she will say that your time is running fast.
• B)You will say that Kim's time is running slow,and she will say that your time is running slow.
• C)You will say that Kim's time is running fast,and she will say that your time is running slow.
• D)You will both agree that time runs at the same rate for both of you.

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Definitions:

Propanal

An organic compound with the formula CH3CH2CHO, a type of aldehyde that is used as an intermediate in organic synthesis.

Butanal

An aldehyde with the formula C4H8O, it is a four-carbon chain compound with a carbonyl group attached to the first carbon.

NaOH

Sodium hydroxide, a caustic alkali commonly used in many industrial and laboratory processes, known for its strong base characteristics.

Benzophenone

An aromatic ketone with the formula C13H10O, used as a photo initiator in polymer chemistry and as a flavoring agent.