A sphere (mass = m, radius = R, moment of inertia =2/5 mR^2) is sliding on a frictionless table with linear speed v. An identical sphere is spinning on the same table (not sliding) about its center with an angular velocity, w. What is the ratio between

from a homework

Degree Level: Pre-College

Question:

A sphere (mass = m, radius = R, moment of inertia =2/5 mR^2) is sliding on a frictionless table with linear speed v. An identical sphere is spinning on the same table (not sliding) about its center with an angular velocity, w. What is the ratio between the kinetic energy of the sliding sphere and the kinetic energy of the rotating sphere?

Answer:

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