[Solved] Twomen,atalloneandashortone,travelupident

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Twomen,atalloneandashortone,travelupidenticalinclines,pullingidenticalspoolsbymeansofropes 3.90 wrapped aroundthehubs.(SeeFigureP3.90.)Thementravelatthesameconstantspeed,andtheropesare inthe oppositedirectionsindicated.Ifthespoolsdonotslipontheplane,oneofthemenwillberunoverbyhisownspool. Provewhichoneitis,andshowhowlongitwilltake

Twomen,atalloneandashortone,travelupidenticalinclines,pullingidenticalspoolsbymeansofropes

3.90

wrapped

aroundthehubs.(SeeFigureP3.90.)Thementravelatthesameconstantspeed,andtheropesare

inthe

oppositedirectionsindicated.Ifthespoolsdonotslipontheplane,oneofthemenwillberunoverbyhisownspool.

Provewhichoneitis,andshowhowlongitwilltake

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