Recent content by LoBun

So in the case of this question it is pretty much an.. ..arithmetic sequence.. :] Thank you all very much, now I am sure i understood the idea and its definitely not as hard as i thought..

Hum.. Would it be.. 1/4 of the initial mass?

Maybe because.. ..you've confused a few numbers.. Is it supposed to be: 10 = 12e^(5k) ?

If I am not mistaken.. Half life is the time taken for half the number of nuclides to decay. So, as far as I understand, if the half life is of 5 days, after this time the substance will have half its initial mass.. in this case.. 6kg? Still somewhat confused.. :confused:

"A radioactive substance has a half-life of 5 days, initial mass of 12kg. How much the original isotope will remain after 10 days?" This is just an example, the question itself is not important, i just want to know how to solve this type of problems generally.. thank you!

Thank you both, SO SO MUCH! It sounds exactly like what I needed.. thanks a lot again.

Does anyone have any idea, even a tiny little one, of an experiment that could be made in order to investigate the factors that affect the distance traveled by a plastic tub when propelled along a horizontal surface? :/ It shouldn't be anything too complex.. any ideas will be *more* than welcomed.

Thank u.. Veryyy much!

affect the infiltration of water in the soil? :bugeye: Thank you thank you thank you.. :]

I see.. could u just give an example of any theory it would work for? thanks a lot for helping!

So neutrons have actually nothing to do with ..the conservation of momentum?

I was suppose to research on.. ... Geiger-Marsden experiment and Rutherford's model and answer a few questions.. one of them was to explain "how conservation of momentum could be used to verify the estimated mass of the neutron", but i just have no idea how or where to start from.. :confused...

with the use of the conservation of momentum.. Is it possible? what does it exactttly mean anyways? :bugeye:

...radio transmission.. what could they be? :confused: Not exactly Maths, I know, but its Maths that I need it for.. Thanks!