Can anyone explain these three questions.?
Briefly.
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Answers: 3
Physics, 21.06.2019 21:00
In order to place a satellite into orbit, it requires enough fuel to supply the necessary mechanical energy. into what types of mechanical energy does the fuel get transformed?
Answers: 1
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Which changes would result in a decrease in the gravitational force btween two objects? check all that apply
Answers: 1
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Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?
Answers: 3
Physics, 22.06.2019 14:30
Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules
Answers: 2
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