Suppose your mass is 75.0 kg. You step gently off the edge of a high diving plat

Question

Suppose your mass is 75.0 kg. You step gently off the edge of a high diving platform, so that you essential start falling from rest toward the Earth. (Ignore air resistance.) a. During your freefall, which force has the greater magnitude? A. the magnitude of the gravitational force of the Earth on you B. the magnitude of the gravitational force of you on the Earth C. neither - they are equal b. During freefall, your downward acceleration will have a magnitude of 9.80 m/s^2. At the same time, what is the magnitude of the Earth's upward acceleration? Show your work. (Thought question [not for credit]: Reflect on your answer above. As you fall from a high-dive platform, do you fall downward, or does the Earth "fall upward" to meet you? Or both, simultaneously? Based on the acceleration of each body, which one will move farther during the time until impact?) Suppose that a space station is located at a height of exactly 1/5 R_Earth above the surface of the Earth. a. Find the acceleration due to gravity (local value of g) at that location. Show your work. If the space station is in a circular orbit around the Earth, find its linear speed. Show your work.

Explanation / Answer

3a) C. They are equal, be newtons third law

3b) Ma = mg

a =75*9.8/6e24 = 1.225*10^-22 m/s

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