Asatellite has a mass of 6124 kg and is in a circular orbit 4.64 × 105 m above the surface of a planet. the period of the orbit is 1.7 hours. the radius of the planet is 4.42 × 106 m. what would be the true weight of the satellite if it were at rest on the planet's surface?

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600