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Title: A toy cart moves with a kinetic energy of 40 J. If it moves with twice the speed Post by: einsteindude on Nov 29, 2014 A toy cart moves with a kinetic energy of 40 J. If it moves with twice the speed, its kinetic energy will be
A) 40 J. B) 80 J. C) 160 J. D) unknown unless we know the mass of the cart. Title: Re: A toy cart moves with a kinetic energy of 40 J. If it moves with twice the speed Post by: bSharp on Dec 5, 2014 Content hidden
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