Consider a Small Comet Nucleus,whose Diameter Is 1 Km and Mass

question 51

Essay

Consider a small comet nucleus,whose diameter is 1 km and mass is ,hitting the Earth head-on,traveling at a speed of 1,000 m/s.How many times larger or smaller is the comet's kinetic energy compared to that of a typical train pulling 20 boxcars whose total mass is and speed is 25 m/s?

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