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the planet express is in a circular orbit around the earth and has a total mechanical energy of -4.6 x 10^10 j. how much work must be provided by the planet expresss rockets in order to completley escape earth
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An object weigh 40n in air ,weigh 20n when submerged in water,and 30n when submerged in a liquid of unknown liquid density.what is the density of unknown of liquid?
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Aproton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?
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When thorium (90 protons) ejects a beta particle, the resulting nucleus has question 18 options: 87 protons. 88 protons. 89 protons. 90 protons. none of the above
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You have decided to host a discussion about post-traumatic stress disorder with the families of soldier abroad provide an over view of the disorder the symptoms and consequences of ptsd
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the planet express is in a circular orbit around the earth and has a total mechanical energy of -4.6...
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