Concept explainers
Reminder Round all answers to two decimal places unless otherwise indicated.
Relativistic Time A correctly functioning hourglass on board a rocket ship would appear to a stationary observer to take longer than an hour to empty. The graph in Figure
a. Use the graph to estimate the value of
c. Does a small change in velocity cause a greater change in apparent time at slower speeds or at faster speeds?
FIGURE 1.50 Relativistic length of an hour
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