The Philae comet lander has a mass of 100kg. What is the mass of the lander on t

Question

The Philae comet lander has a mass of 100kg. What is the mass of the lander on the Churyumov-Gerasimenko comet, where gravity is 0, 12 m/s^2 A jetpack has been designed for use by astronauts on the surface of Mars. While testing the device on Earth, the jetpack was not able to lift engineers weighing greater than 150 lbf. Willa 200 lbf (on Earth) astronaut be able to use this pack during mission on Mars? Show work A 6.7 slug astronaut weighs berself on a previously planet for which the strength of gravity is unknown. If the scale reads I00 lbf, what is acceleration due to gravity on this planet

Explanation / Answer

3. mass will remain same. (ONly weight changes)

4. a_mars / a_earth = 0.388

weight that can be lifted on mars = 150 / 0.388 = 386.8 lbf

5. 1 slug = 1 lbf s^2 / ft

g = 100 lbf / (6.7 lbf s^2 / ft)

g = 14.93 ft/s^2

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