C Chegg.com WileyPLUS -> C D edugen.wileyplus.com/edugen/student/mainfr.un. ABP

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C Chegg.com WileyPLUS -> C D edugen.wileyplus.com/edugen/student/mainfr.un. ABP Watch NHL Live Stre radeboOK Apps HP Connected Watch NBA Live Str tice Assignment ORION ment FULL SCREEN PRINTER VERSION BA Question 21 displacement d20.0 d = 120.0 m 15.0 m along a straight embankment by rushing water, which exerts a force A floating ice block is pushed through a displacement F 255 N 128N on the block. How much work does the force do on the block during the displacement? Number Units the tolerance is +/-1 in the 3rd significant digit SHOW HINT Question Attempts: 0 of 8 used SAVE FOR LATER SUBMI 7:55 PM 2/24/2016

Explanation / Answer

We know that work done is given by the dot product of force and the displacement

Hence

W = F.d

W = (255 i - 128 j) .(20 i - 15 j) = 7KJ

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