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Calculate Weight On Pluto?
Question says it. Assuming weight is 300lbs. I did mass = 300/9.8 = 30.6 then weight on pluto = 30.6/.58 = 52lbs. I think this is wrong though. It should be about 20lbs.
15 Answers
- Matt ELv 41 decade agoFavorite Answer
your mixing units. The joys of the non SI units, known as Imperial Units
weight = 300 lbs = 300 lbf (pounds force) this is what your scale tells you
the gravitation here is not 9.8 m/s^2, thats SI units. Use 32.2 ft/s^2
300/32.2 = 9.3 slugs (the non SI plain unit of mass)
9.3/.58 = 16lbf what your scale says on Pluto
Now about the .58 you have there...not sure what that is (assuming g on Pluto), and as such, I dont know how accurate my number is.
- bonnieLv 45 years ago
2
Source(s): BREAKTHROUGH in Weight Loss Research http://theweightlossjournal.com/z4AsvW - Anonymous1 decade ago
The weight is 89.5 N, or 20.1 lbf (pound-foot).
Here's why...
300 pounds is a unit of mass, not weight. Weight is a force, measured in SI units of Newtons.
So let's put that in terms of kilograms, a proper SI unit. That's:
m = 136.0777 kg
Plus, your weight was never given as referenced to Earth (you used 9.8 m/s^2), even if 300 lbs had somehow been "weight." Moving on. Equatorial surface gravity of Pluto is given as 0.658 m/s^2
So you just use your normal
W = m * g
Substituting your proper mass (300 lb in terms of kilograms) and the correct gravity:
W = (136.0777 kg) * (0.658 m/s^2)
W = 89.5 N
This can NOT be turned into "pounds." The closest that you can do is pound-force (lbf), which in this case is 20.1 lbf.
Source(s): Geologist - Anonymous6 years ago
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RE:
Calculate Weight On Pluto?
Question says it. Assuming weight is 300lbs. I did mass = 300/9.8 = 30.6 then weight on pluto = 30.6/.58 = 52lbs. I think this is wrong though. It should be about 20lbs.
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