A 2 kg ball is launched upward and has a kinetic energy of 25 J. Solve for the velocity of the ball as it was launched

A) 25 J
B) 50 m/s
C) 12.5 J
D) 5 m/s

2 answers

ke = 1/2 m v^2

v = √(2 ke / m)
Correct answer is 5 m/s