A a disk, a solid sphere, and a hollow spherical shell of thesame mass and radiu

Question

A a disk, a solid sphere, and a hollow spherical shell of thesame mass and radius are released at the same time at the top of aninclined plane. Rank the objects in order of increasingkinetic energy at the bottom of the ramp. Rank objects from largest tosmallest. To rank items as equivalent, overlap them. A a disk, a solid sphere, and a hollow spherical shell of thesame mass and radius are released at the same time at the top of aninclined plane. Rank the objects in order of increasingkinetic energy at the bottom of the ramp. Rank objects from largest tosmallest. To rank items as equivalent, overlap them. Rank the objects in order of increasingkinetic energy at the bottom of the ramp. Rank objects from largest tosmallest. To rank items as equivalent, overlap them.

Explanation / Answer

a disk, a solid sphere, and a hollow spherical shell of thesame mass and radius are released at the same time at the top of aninclined plane. Rank the objects in order of increasingkinetic energy at the bottom of the ramp.


kinetic energy of a disc at the end of inclinedplane=1/2MV2[1+1/2]=3/4MV2
kineticenergy of a solid sphere at the end of inclinedplane=1/2MV2[1+2/5]=7/10 MV2

kinetic energy of a hollow spherical shell at the end ofinclined plane=1/2MV2[1+1]=MV2
nowput the order in the desired form.



Rank the objects in order of increasingkinetic energy at the bottom of the ramp.


kinetic energy of a disc at the end of inclinedplane=1/2MV2[1+1/2]=3/4MV2
kineticenergy of a solid sphere at the end of inclinedplane=1/2MV2[1+2/5]=7/10 MV2

kinetic energy of a hollow spherical shell at the end ofinclined plane=1/2MV2[1+1]=MV2
nowput the order in the desired form.

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