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Concept explainers
On August 10, 1972 a meteorite with an estimated mass of 4×106 kg and an estimated speed of 15 km/s skipped across the atmosphere above the western United States and Canada but fortunately did not hit the Earth.
(a) Assuming that the meteorite had hit the Earth with a speed of 15 km/s , what would have been its change in kinetic energy in joules (J) ?
(b) Express the energy as a multiple of the explosive energy of 1 megaton of TNT , which is 4.2×1015 J .
(c) The energy associated with the Hiroshima atomic bomb was 13 kilotons of TNT . To how many such bombs would the meteorite impact have been equivalent?
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Chapter 6 Solutions
EBK CALCULUS:EARLY TRANSCENDENTALS
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