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1. (a) How far below an initial straight-line path will a projectile fall in eight seconds?
(b) Does your answer depend on the angle of launch or on the initial speed of the projectile? the answer is no. but defend it.
2. Why is it important that a satellite be above Earth's atmosphere?
3. What do the distances 8,000 m and 5 m have to do with a line tangent to Earth's surface?

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