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A 100 ft steel tape of cross-sectional area 0.0025 in2, weight 2.0 lb, and standardized at...

A 100 ft steel tape of cross-sectional area 0.0025 in2, weight 2.0 lb, and standardized at 68°F is 99.983 feet between end marks when supported throughout under a 10-lb pull.

a. What is the true horizontal length of a recorded distance AB if AB was measured to be 140.23 ft? At the time of measurement, the average temperature was 55°F, the tape was unsupported and there was 17 lbs of tension on the tape. (Assume horizontal taping and all full tape lengths except the last.)

Engineering   Civil-Engineering   
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