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-rw-r--r--3537/CH8/EX8.5/Ex8_5.sce7
-rw-r--r--3537/CH8/EX8.5/Ex8_5.txt1
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diff --git a/3537/CH8/EX8.5/Ex8_5.sce b/3537/CH8/EX8.5/Ex8_5.sce
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+//Example 8_5
+clc();
+clear;
+//To find the noise level when four drills are working
+I=90 //units in decibel
+In=10*log10(4)+I
+printf("new intensity level=%.2f dB",In)
diff --git a/3537/CH8/EX8.5/Ex8_5.txt b/3537/CH8/EX8.5/Ex8_5.txt
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+ new intensity level=96.02 dB \ No newline at end of file