Asmall rock is launched straight upward from the surface of a planet with no atmosphere. the initial speed of the rock is twice the escape speed ve of the rock from the planet. if gravitational effects from other objects are negligible, the speed of the rock at a very great distance from the planet will approach a value of .
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Physics, 22.06.2019 05:30
Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.
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How do you tell if someone actually cares about you? and just say they do?
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Which composition of water moves to begin a deepwater current?
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Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow
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