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Physics Conservation of Energy

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Asteroid 69230 Hermes has entered Earth’s atmosphere (which means it is now a meteor) and will hit the ground soon. The meteor has a mass of 6.70 X 10^10 kg and is now traveling at 17,500 m/s and is 10,000 m above Earth’s surface. What is the total mechanical energy of the meteor? (do not include units in your answer)

 Oct 30, 2015
edited by Guest  Oct 30, 2015
edited by Guest  Oct 30, 2015
edited by Guest  Oct 30, 2015
edited by Guest  Oct 30, 2015

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 #1
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Total mecahnical energy=Potential energy + Kinetic energy

PME =( mass • g • height) +( velocity^2. mass. 1/2)

PME=(6.7 X 10^10. 9.81. 10,000) + (17,500^2. 6.7 X 10^10. 1/2)

PME=10,265,947,700,000,000,000=1.0266 X 10^19. Total energy of the asteroid.

 Oct 30, 2015
 #2
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P.S. That amount of energy is equivalent to 2,444 one-megaton H-bombs!!!!.

 Oct 30, 2015

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