15. A 3 kg ball is thrown upward with a velocity of 10 m/s.
 Assuming there is no friction or air resistance, calculate the max
 height the ball will achieve when it comes to rest.
 a. between 8 m & 12 m
 b. greater than 12 m
 c. less than 4 m
 d. between 4 m & 8 m