Recent content by Willis2833

  1. W

    Asteroid collision

    1. An asteroid is 10r away from the earth, and traveling at a speed of 12 km/s. What is the impact speed of the asteroid when it hits the earth? 2. Gravitation problem: U = -Gm[E]m / r ....I think 3. I've been looking in my book and online and cannot figure it out, please help!
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