8. Centripetal Forces & Gravitation
Acceleration Due to Gravity
10:28 minutes
Problem 6.79
Textbook Question
Textbook QuestionA particle is released at a height r_E (radius of Earth) above the Earth’s surface. Determine its velocity when it hits the Earth. Ignore air resistance. [Hint: Use Newton’s second law, the law of universal gravitation, the chain rule, and integrate.]
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