Gravitational Field
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Q. The maximum vertical distance through which a full dressed astronaut can jump on the Earth is 0.5 m. The maximum vertical distance through which astronaut can jump on the Moon, which has a mean density (23)rd that of the earth and radius one quarter that of the earth is (in m)
Q.
Three particles each of mass m, are situated at the vertices of an equilateral triangle of side length a. The only forces acting on the particles are their mutual gravitational forces. It is desired that each particle moves in a circle while maintaining the original separation a. Find the initial velocity that should be given to each particle and also the time required for the circular motion