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Physics 1 Problem Solutions 63

Physics 1 Problem Solutions 63 - Chapt 5 Newtons Laws and...

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Chapt. 5 Newton’s Laws and Dynamics I 59 b) Say you reduce thrust to 1800 N and find that the pod has an acceleration of 0 . 50 m / s 2 taking upward as the positive direction. What is the mass of your pod including yourself? c) What’s the free-fall acceleration magnitude due to gravity near the Io surface (i.e., g Io , the analog to g for gravity near Earth’s surface)? The free-fall acceleration acceleration magnitude is also the gravitational field magnitude. d) Say you have a mass of 70 kg. What’s your WEIGHT on Io and what is your Io weight divided by your Earth weight (i.e., the weight RATIO )? e) Now the hard part. After finishing your excursion on the sulforous icy/boiling surface of the solar system’s most volcanically active body, you launch and go into uniform circular motion, low-Io orbit. The gravitational acceleration is approximately the same as the surface gravitational acceleration and the radius of the orbit is approximately just Io’s mean radius of 1821 . 3 km. Note the units are KILOMETERS . Calculate the orbital
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