1. The problem statement, all variables and given/known data The earth can be approximated as a solid, uniform sphere with r = 6380 km. a- Using 1 day = 24 hrs, find the rotational kinetic energy. b- It revolves around the sun at a distance of 1.5 x 10 ^ 11 m once every 365.25 days. Find kinetic relative to tsun. c- If we wanted to increase the day to 25 hours, what torque would be required in 1 year to do this? 2. Relevant equations 3. The attempt at a solution I am using mass = 5.97 x 10^24 kg a- 2.58 x10^29 J b- 2.66 x 10 ^33 J c- ?