Ceres is the largest asteroid. Its mean radius is 476 km and its mass is 9.4 x 1020 kg. Using this, and G = 6.67 x 10-11 Nm²kg?, and approximating it as a sphere, compute the speed required to escape the gravity on the surface of Ceres. Speed =- m.s-1. (to two significant figures, don't use scientific notation)
Ceres is the largest asteroid. Its mean radius is 476 km and its mass is 9.4 x 1020 kg. Using this, and G = 6.67 x 10-11 Nm²kg?, and approximating it as a sphere, compute the speed required to escape the gravity on the surface of Ceres. Speed =- m.s-1. (to two significant figures, don't use scientific notation)
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