Ten Meter Long Steel Railroad Rails Are Laid End to End

question 29

Short Answer

Ten meter long steel railroad rails are laid end to end, with no space between, on a hot day when the temperature is 115.°F. Six months later the temperature has dropped to -2.°F. How much space now exists between each rail?
[ linear expansion coef. for steel is 12. × 10^-6 C°^-1]

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Definitions:

Path-Goal Model

A leadership theory that outlines how leaders can motivate their followers to achieve set goals by selecting specific behaviors best suited to the followers' needs and the work environment.

Leadership Tactics

Specific actions, strategies, or behaviors employed by leaders to achieve objectives and influence others effectively.

Achievement Oriented

A personal attribute or leadership style focused on setting and accomplishing challenging goals, often involving high standards of performance.

Leadership Effectiveness

The degree to which a leader successfully achieves desired outcomes, motivates followers, and accomplishes objectives through the effective utilization of resources.