Question

Problem 12.50 Part A How much gravitational potential energy must a 3110-kg satollite acquire in order to attain a geosynchronous orbit? Express your answer to three significant figures and include appropriate units. 1.78 10 J Submit Previous Answers Request Answer Incorrect; Try Again; 2 attempts remaining Part B How much kinetic energy must it gain? Note that because of the rotation of the Earth on its axis, the satelite had velocity of 457 m/s relative to the center of the Earth just before leunch Express your answer to three significant figures and include appropriate units. Value Units Submit Request Answer

Answer 1

Pourt - A Creasynewenay arbit if 42 340 km from the centre of the Eartn. fo, granitational potential energy at that ankit is Epe - GMM solat tax auto Gm d-02 =- 9 R²m R=6900km 9.8*(6400)?x 3110 42340 =-2.948 x 107 J Part-B Kinetic energy b. Ek= 1 / mv² $X3110 x (457)2 = 324760195 J.