Physics, 04.07.2020 01:01, jeffffffff
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. a)190 km
b)190 cm
c)190 mm
d)190 μm
Answers: 2
Physics, 22.06.2019 07:00, dsperez201938
We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?
Answers: 1
Physics, 22.06.2019 15:30, bloodry
Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples
Answers: 1
TV broadcast antennas are the tallest artificial structures on Earth. In 1987, a 72.0 kg physicist p...
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