A Meterstick Moving in a Direction Parallel to Its Length

question 58

Multiple Choice

A meterstick moving in a direction parallel to its length appears to be only 60.0 cm long to an observer. What is the meterstick's speed relative to the observer? (c = 3.00 *10⁸ m/s)

• A) 1.19 *10⁸ m/s
• B) 2.40 * 10⁸ m/s
• C) 2.93 * 10⁸ m/s
• D) 2.75* 10⁸ m/s

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Definitions:

Perception

The process by which individuals organize and interpret their sensory impressions in order to give meaning to their environment.

Transduction

The process by which physical or chemical stimuli are converted into a signal that can be interpreted by the body or brain, like the conversion of light into visual information.

Difference Threshold

The smallest detectable difference between two stimuli that a person can perceive.

Absolute Threshold

The minimum intensity of a stimulus that one can perceive, signifying the point at which a stimulus becomes noticeable to our senses.