Effect of Mass on Rolling Speed
A solid sphere of mass M and radius R rolls without slipping down an inclined plane from an initial height h. Given the sphere’s moment of inertia is I = (2/5)MR², by what factor would the sphere’s speed at the bottom of the incline change if its mass were doubled?
A
The speed would increase by a factor of 2
B
The speed would decrease by a factor of √2
C
The speed would increase by a factor of √2
D
The speed would remain unchanged
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