There is a block which weight 30 N on the surface of the earth. What will be its weight on the surface of the planet A, which has four times the mass of earth, and twice the radius of the earth.

There is a block which weight 30 N on the surface of the earth. What w

1.	There is a block which weight 30 N on the surface of the earth. What will be its weight on the surface of the planet A, which has four times the mass of earth, and twice the radius of the earth.
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There is a block which weight 30 N on the surface of the earth. What will be its weight on the surface of the planet A, which has four times the mass of earth, and twice the radius of the earth.

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