A really easy one to finish off your week.
I have a full 1 kg bag of sand. I then take it to Jupiter where
Gravity is 2.5 times that of earth.
What is the Weight of the aforementioned bag:
1) Before it left Earth
2) When on Jupiter
Fastest Fingers first.
Ignoring the fact that Jupiter is a Gas giant, and has such immense
Gravity, Pressure and other unpleasentries, it is not really possible
to land on Jupiter (Just in case you were wanting to make plans for next summer).
The gravity strength is not really 2.5 times earth, maybe more 2.3 that of earth. Whilst it is fractionally weaker, that close figure has been used to remove the need of calculators.
2006-08-24 21:19:57 · 8 answers · asked by Anonymous in Science & Mathematics ➔ Astronomy & Space
Well well, interesting answers
The terms Weight and Mass are often incorrectly interchanged.
The mass of an object refers to the amount of matter said object has. Measured in kg, it remains fixed.
So in this question, 1 Kg of sand will always be 1 kg.
Weight is, in simple terms the force that gravity has on an object of masss, m. As a force, it is measured in N. This force is found by multiplying mass times gravity strength, F=ma.
If you knew that much, you were half way there.
The other thing needed is Gravity being about 10 N/kg, or you could be really exact and say it was 9.8 N/kg.
So answer 1 is 10N for the 1Kg bag of sand, 9.8 N if you went that way.
Answer 2 is easily 10x2.5 = 25N or 24.5N if you went for the latter.
Easy or what??? Well, no fully right answers, so its a vote?
See you Monday in Chemistry Section.
2006-08-26 07:55:11 · update #1
It weighs 12 kilos on earth and when you get to Jupiter it will have illogically changed into a Cornetto Strawberry.
2006-08-24 21:21:34 · answer #1 · answered by Anonymous · 1⤊ 1⤋
Weight is generally a unit of force, so strictly it is measured in Newtons (which equates to kg m/s2). However in normal usage the gravitational constant is expressed as a unit, where the gravity of the earth at sea level is taken to be 1.
So strictly speaking the weight of the sack is approximately 9.8 N, (1 kg * 9.8 m/s2) but informally this is expressed as 1kg.
If the gravitational constant is 2.5 higher, the weight simply gets multiplied by 2.5, so on Jupiter the weight would be expressed as 2.5kg.
2006-08-25 00:17:52 · answer #2 · answered by Graham I 6 · 0⤊ 0⤋
On earth and jupiter the mass of the bag will be the same at 1kg. But it will weigh 2.5 times more (using your data) on Jupiter. Have a nice weekend!
2006-08-24 21:29:38 · answer #3 · answered by philturner66 3 · 0⤊ 0⤋
its mass will remain the same i mean 1kg and its weight can be calculated by multiplying it with the gravity of earth at the time of leaving and same can be calculated by multiplying it with the gravity of Jupiter when it is on Jupitar.
The surface gravity of earth is around 9.81 m/s^2 and surface gravity of Jupitar is about 2.64 times gravity of earth which means it is around 23.12 m/s^2.
Your question is not very much clear, i dont know you are asking for its weight when it is on surface of earth and it is on surface of Jupitar or you are asking when this sand is leaving earth means it is at some higher altitude and there is no more atmosphere at that time.
2006-08-24 21:36:58 · answer #4 · answered by Aero 1 · 0⤊ 0⤋
WHAT THE HECK R U TALKING ABOUT, ITS NOT LEGAL TO ASK SUCH QUESTIONS, LOL.
2006-08-24 21:29:27 · answer #5 · answered by CowGilr Kassie 6 · 0⤊ 1⤋
it still weighs the same just seems to be heavier...
2006-08-24 21:24:51 · answer #6 · answered by ? 5 · 0⤊ 1⤋
use your calculator
2006-08-24 22:21:01 · answer #7 · answered by Anonymous · 0⤊ 1⤋
1 kg, 2.5kg........
2006-08-24 21:23:04 · answer #8 · answered by fossil 3 · 0⤊ 1⤋