Physics, 13.11.2019 17:31 katlynnschmolke

How artificial gravity can be produced when a satellites revolve around the earth

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Not sure if this is an actual question but there is something called centrifugal force when an object is spinning and you are on it. This all varies on how fast the object is spinning and the size/mass of the object you are in. Satellites as of now or really ever couldn't create artificial gravity by just spinning around the earth. Artificial gravity is a long ways off and it is really hard to achieve it because of how our bodies have adapted to Earths gravity. Being in a spacecraft that is spinning and has centrifugal force is tricky because your head is closer to the center meaning it is being pulled more, your heart would have to work harder and really it isn't very healthy. Also you have to get it just right that it matches that of Earths gravity which is probably the easiest part about artificial gravity.

Answer from: Quest

12000j is work done

Answer from: Quest

answer: the correct answer is 1.

explanation: there are various process in which a radioactive nuclei decays:

1) alpha decay: in this process, a heavier nuclei decays into lighter nuclei by releasing alpha particle. the mass number is reduced by 4 units.

$_a^z\textrm{x}\rightarrow _{a-2}^{z-4}+_2^4\alpha$

2) electron capture: in this decay process, a parent nuclei absorbs an electron and gets converted into a neutron. simply, a proton and an electron combines together to form a neutron. mass number does not change in this process.

$_a^z\textrm{x}+_{-1}^0\textrm{e}\rightarrow _{z-1}^a\textrm{y}$

3) gamma ray emission: it is a decay process in which an unstable nuclei gives excess energy by a spontaneous electromagnetic process. this decay releases $\gamma -radiations$ . this process does not change the mass number.

$_a^z\textrm{x}^*\rightarrow _a^z\textrm{x}+_0^0\gamma$

4) positron emission: it is a type of decay process, in which a proton gets converted to neutron and an electron neutrino. this is also known as $\beta ^+$ -decay. in this the mass number remains same.

$_a^z\textrm{x}\rightarrow _{z-1}^a\textrm{y}+_{+1}^0e$

from the above information, we see that only alpha-decay is producing a change in the mass number of the nucleus.

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