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When an astericd that is headed directlyr fcr Earth is a distance at 3 Earth radii tram Earth'scantar. it hassspeadcf15
When an asteriod that is headed directly for Earth is a distance of 8 Earth radii from Earth's center, it has a speed of 15 km / s. What is the speed of the asteroid when it collides with the Earth? Ignore any frictional effects of the atmosphere. The mass of the Earth is 5