A Spacecraft Is Measured by an Observer on the Ground

question 37

Short Answer

A spacecraft is measured by an observer on the ground to have a length of 53 m as it flies toward the earth with a speed 1.7 × 10⁸ m/s. The spacecraft then lands and its length is again measured by the observer on the ground, this time while the spacecraft is at rest on the launchpad. What result does he now get for the length? (c = 3.00 × 10⁸ m/s)

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Definitions:

Classical Conditioning

A training approach characterized by making associations between a stimulus in the environment and one that occurs naturally, causing a conditioned behavior.

Social Setting

The physical and social context in which people live or in which something happens or develops.

Negative Punishment

A behavior modification technique involving the removal of a desirable stimulus following an undesired behavior to decrease the likelihood of the behavior’s occurrence.

Positive Punishment

Adding an unpleasant stimulus to decrease a behavior, part of operant conditioning in psychology.