A 100-kg metallic ball at rest is being pulled by the strange magnetic field of a planet, where the force (in newtons) is given by thekmfunction F (r) =4p5Where:r = distance from the planet's surface in kmm = object's mass in kgk = 5.00 km5/kgThe metallic ball starts at a very distant position from the planet (r→ c0) and falls towards the planet.What is the potential function U (r) of the planet? Use the condition lim,. U(r) = 0.'r→∞What is the metallic ball's speed (in m/s) once the steel ball is one kilometer above the planet's surface?Justify your answer using your rationale and equations used.

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A 100-kg metallic ball at rest is being pulled by the strange magnetic field of a planet, where the force (in newtons) is given by the function F (r) = km Where: r = distance from the planet's surface in km m = object's mass in kg k = 5.00 km5/kg The metallic ball starts at a very distant position from the planet (r o) and falls towards the planet. What is the potential function U (r) of the planet? Use the condition lim,, U(r) = 0. What is the metallic ball's speed (in m/s) once the steel ball is one kilometer above the planet's surface? Justify your answer using your rationale and equations used.

A 100-kg metallic ball at rest is being pulled by the strange magnetic field of a planet, where the force (in newtons) is given by the function F (r) = km Where: r = distance from the planet's surface in km m = object's mass in kg k = 5.00 km5/kg The metallic ball starts at a very distant position from the planet (r o) and falls towards the planet. What is the potential function U (r) of the planet? Use the condition lim,, U(r) = 0. What is the metallic ball's speed (in m/s) once the steel ball is one kilometer above the planet's surface? Justify your answer using your rationale and equations used.

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter30: Faraday's Law

Section: Chapter Questions

Problem 21P: Within the green dashed circle show in Figure P30.21, the magnetic field changes with time according...

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