is pushed at the same speed across a rough floor with a higher coefficient of friction, its kinetic energy is KE2. What is the relationship between KE, and KE2? (а) КЕј > КЕ> (b) КЕ, — КЕ, (с) КЕ < КЕ,(d) (d) Not enough information: need mass of crate (e) None of these
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