Physics, 05.07.2019 03:30, alyssamaize
Aprojectile of mass 100 kg is shot from the surface of earth by means of a very powerful cannon. if the projectile reaches a height of 65,000 m above earth's surface, what was the speed of the projectile when it left the cannon? (mass of earth 5.97x10^24 kg, radius of earth 6.37x10^6 m)
Answers: 2
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The energy released by a nuclear fusion reaction is produced when
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When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?
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Aprojectile of mass 100 kg is shot from the surface of earth by means of a very powerful cannon. if...
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