Horizons: Exploring the Universe - With MindTap
Horizons: Exploring the Universe - With MindTap
14th Edition
ISBN: 9781337578080
Author: Seeds
Publisher: Cengage
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Chapter 20, Problem 5P
To determine

The number of suns like stars included in 100 light years of the earth.

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Examine the slope of the line on the graph created using the data in Data Table 4 of Period, T2 vs L, the slope of the line is a constant containing the acceleration due to gravity, g. Using the slope of your line, determine the experimental value for g.  Compare the value you determined for g from the slope of the graph to the expected value of 9.81 m/s2 by calculating the percent error.
From your examination of the graph created using the data in Data Table 4 of Period, T vs √L . What would you determine is the relationship between the period of a pendulum and the length of a pendulum?
In a certain bimetallic strip, the brass strip is 0.100% longer than the steel strip at a temperature of 283°C. At what temperature do the two strips have the same length? Coefficients of linear expansion for steel α = 12.0 × 10−6 K−1 and for brass α = 19.0 × 10−6 K−1 (see Table 13.2).
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