Hello, please show full work, proper formulas, and proper solution, and please asap I will rate huge thumbs up thanks!

9. A 100 kg mass is to be launched from Earth so that it escapes. a) At what distance from the surface of the Earth will the speed of the mass be only 50 m/s? b) What will be the total energy of the mass at this distance? c) What was the total energy of the mass just after it launched? [P6