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OpenStudy (anonymous):
What has greater work: a cart that is coasting or a cart that is powered by a mouse trap? (friction applies)
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OpenStudy (theeric):
Hi! Do you know the definition of work?
OpenStudy (anonymous):
Change in kinetic energy
OpenStudy (theeric):
That's one! So let's apply that. I don't know what "powered by a mousetrap" means... But I know that coasting isn't much of a change in KE! Well, friction applies, so friction does some work. But.... Do you know what it means by that mousetrap? If it's powered, I'd think that means it's KE is changing more...
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