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A disk with m=4.4 kg and radius 14.1 cm rolls a distance 4.3 m down a...

A disk with m=4.4 kg and radius 14.1 cm rolls a distance 4.3 m down a ramp that is inclined by an angle 26.9° with respect to the horizontal. At the bottom of the ramp, what is its translational kinetic energy?

Solutions

Expert Solution

Consider the incline

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Moment of inertia of disk,

Angular velocity,

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When the disk reaches the bottom of the ramp, it's initial potential energy is converted into translational kinetic energy and rotational kinetic energy.

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Translational kinetic energy,

ANSWER:

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genius_generous answered 1 week ago

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