A hollow ball (I=2/3 MR^2) of radius 7 cm and mass of 0.2kg starts from rest...

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A hollow ball (I=2/3 MR^2) of radius 7 cm and mass of 0.2kg starts from rest...

A hollow ball (I=2/3 MR^2) of radius 7 cm and mass of 0.2kg starts from rest and rolls without slipping down a ramp. After the ball has dropped a vertical distance of 0.3 meters, what is its angular speed? Air resistance and losses due to friction may be neglected

A. 7.8 rad/s

B. 22.0 rad/s

C. 26.8 rad/s

D. 13.1 rad/s

science physics

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