The Length of a Meter Stick Moving at 0

question 45

Multiple Choice

The length of a meter stick moving at 0.95c in the direction of its length with respect to the laboratory is measured by simultaneously marking its ends on an axis which is stationary in the laboratory.As measured by clocks moving with the stick, the time interval between the making of the back mark and the making of the front mark is:

• A)0 s
• B)1.1 *10^-9 s
• C)3.2*10^-9 s
• D)3.5* 10^-9 s
• E)1.1 *10^-8 s

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Definitions:

N2 Sleep

A stage of sleep characterized by specific brain wave patterns known as sleep spindles and K-complexes, marking a deeper sleep than N1.

N1 Sleep

The initial stage of the sleep cycle, characterized by light sleep from which an individual can be easily awakened.

Genital Arousal

The physical and physiological response of the genital organs in anticipation of or in response to sexual stimulation.

REM Sleep

A stage of sleep characterized by rapid eye movement, vivid dreams, and increased brain activity.