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broadcast antennas are the tallest artificial structures
Chapter 18, Problem 32PE(choose chapter or problem)
broadcast antennas are the tallest artificial structures on Earth. In 1987, a 72.0-kg physicist placed himself and 400 kg of equipment at the top of one 610-m high antenna to perform gravity experiments. By how much was the antenna compressed, if we consider it to be equivalent to a steel cylinder 0.150 m in radius?
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QUESTION:
broadcast antennas are the tallest artificial structures on Earth. In 1987, a 72.0-kg physicist placed himself and 400 kg of equipment at the top of one 610-m high antenna to perform gravity experiments. By how much was the antenna compressed, if we consider it to be equivalent to a steel cylinder 0.150 m in radius?
ANSWER:Step-by-step solution Step 1 of 6 The radius of the antenna The cross-section area of the cylindrical steel antenna Step 4 of 6 The force exerted downward on the