The speed of the skier on reaching the bottom of the slope is 25.43 m/s.
Kinetic energy of the skier on reaching the bottom of the slope
Kinetic energy on reach the bottom = P.E - 10 kJ
Kinetic energy on reach the bottom = (60)(9.8)(50) - 10 kJ
Kinetic energy on reach the bottom = 19.4 kJ = 19,400 J
Speed of the skier on reaching the bottom of the slope
K.E = ¹/₂mv²
2K.E = mv²
v² = 2K.E/m
v² = (2 x 19,400)/(60)
v² = 646.667
v = √646.667
v = 25.43 m/s.
Thus, the speed of the skier on reaching the bottom of the slope is 25.43 m/s.
Learn more about speed here: https://brainly.com/question/6504879
#SPJ1
