Jack and Jill are working on a physics problem. Their teacher asked them to calculate the force needed to hurl a 500 pound projectile from a spot on Earth to 20,000 miles in low earth orbit. They don’t have any idea of what they need to know to solve this problem and they don’t want to dig through numerous articles or videos on the subject. They want to learn what they need for this problem as thoroughly and rapidly as possible.
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