What was the initial speed of the rock

Reference no: EM13275461

The small spherical planet called "Glob" has a mass of 7.28 x 10^18 kg and a radius of 6.26 x 10^4 m. An astronaut on the surface of Glob throws a rock straight up. The rock reaches a maximum height of 2.12 x 10^3 m, above the surface of the planet, before it falls back down. What was the initial speed of the rock as it left the astronaut's hand? (Glob has no atmosphere, so no energy is lost to air friction. G = 6.67 x 10^-11 Nm2/kg2.) (in m/s)

A 36.0 kg satellite is in a circular orbit with a radius of 1.20 x 10 ^ 105 m around the planet Glob. Calculate the speed of the satellite. (in m/s)

Reference no: EM13275461

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