A solid ball with a mass of 1.89 kg and a radius of 0.069 m starts from rest at the top
of a 25.7
◦
slope with a vertical height of 2.90
m. It proceeds to roll without slipping down
the slope.
What is the translational speed of the ball
when it reaches the bottom? The acceleration
of gravity is 9.81 m/s
2
.
Answer in units of m/s.