Astronomers estimate that a 2.0 km diameter asteroid collides with the earth once every million years. the collision could pose a threat to life on earth. assume a spherical asteroid has a mass of 3020 kg for each cubic meter of volume and moves toward the earth at 13.3 km/s. how much destructive energy could be released when it embeds itself in the earth?
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Astronomers estimate that a 2.0 km diameter asteroid collides with the earth once every million year...
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