Physics, 28.01.2020 14:53 Looneytunness1806
One model for a certain planet has a core of radius r and mass m surrounded by an outer shell of inner radius r, outer radius 2r, and mass 4m. if m = 6.24 × 10^24 kg and r = 4.11 × 10^6 m, what is the gravitational acceleration of a particle at points (a) r and (b) 3r from the center of the planet?
Answers: 3
Physics, 22.06.2019 20:30, Taylor129
Which statement best describes the direction of the buoyant force on any object? a. opposite the force of gravity b. in the same direction as the weight c. in the direction of motion of the object d. opposite the direction of motion of the object
Answers: 1
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