TV broadcast antennas are the tallest artificial structures on Earth. In 1987, a 72.0-kg physicist placed himself
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TV 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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1 The weight of the physicist and equipment is given by W mg 720 kg 400 kg981 ms2 494472 N ...View the full answer
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