Diameter of moon is approximately 1/4 of diameter of earth 1 find the volume of earth is the volume of moon
2 find fractional of surface of the earth is surface area of moon
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The height of a right circular cylinder is 10.5 CM If three times the sum of the area of its two circular face is twice the area of the curve surface area. Find the radius of its base
À Block of mass 3 kg slides down on an inclined plane of 30degree with an acceleration to g/4 .Complete the free body diagram and find the coefficient of kinetic friction