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Two material points, located at a distance of 4 m from each other, are attracted with a force of 8*10^-11 N.
a) What will the force of attraction become if the distance between the material points is doubled?
b) What are the masses of the material points if they are equal?
c) What are the masses of the material points if the mass of one is 7 times greater than the mass of the other?
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The radius of a planet is 6000 km, and its mass is 5*10^24 kg.
a) What is the gravitational acceleration on the surface of the planet?
b) At what height above the surface of the planet does the gravitational acceleration decrease by 2 times compared to its value on the surface of the planet?
c) At what height above the surface of the planet is the gravitational acceleration equal to 2 m/s²?
#Pls help with physics, pls
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