Aspace walking astronaut has become detached from her spaceship she’s floating in space for wanting nothing but a wrench she is thinking about how to get back to the spaceship which she can see 50 m from her current location what can she do to get back to the spaceship use language from newtons laws of motion in your answer astronaut has become detached from her spaceship she’s floating in space for wanting nothing but a wrench she is thinking about how to get back to the spaceship which she can see 50 m from her current location what can she do to get back to the spaceship use language from newtons laws of motion in your answer

As per Newton's II law every action has equal and opposite reaction

So when Astronaut is detached from the spaceship and she is at distance 50 m from the spaceship then there is no force on the Astronaut and she is in isolated state

In this way if Astronaut want to reach back on her spaceship then she required a force towards the spaceship

Here the force on her can not be applied by any other mean as she is isolated situation

So she must have to throw an object in opposite direction with some force due to which she will also get a force due to Newton's III law

This will lead her towards the spaceship

So with the help of Newton's III law we will say that she will be able to reach at her spaceship

electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials. shielding is typically applied to enclosures to isolate electrical devices from their surroundings, and to cables to isolate wires from the environment through which the cable runs. electromagnetic shielding that blocks radio frequency electromagnetic radiation is also known as rf shielding.

the shielding can reduce the coupling of radio waves, electromagnetic fields and electrostatic fields. a conductive enclosure used to block electrostatic fields is also known as a faraday cage. the amount of reduction depends very much upon the material used, its thickness, the size of the shielded volume and the frequency of the fields of interest and the size, shape and orientation of apertures in a shield to an incident electromagnetic

from wikipedia

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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