What are its volume and surface gravity compared to earth

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Density-Gravity Problem: a) Planet Vulcan has twice the mass of Earth and the same radius. What are its volume, density and surface gravity compared to Earth? b) Planet Romulus has the same mass as Earth but twice the radius. What are its volume, density and surface gravity compared to Earth? c) Planet Klingon has the same mass as Earth but half the radius. What are its volume, density and surface gravity compared to Earth?

Reference no: EM13106276

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