Question

In Figure (a), a 4.5 kg dog stands on a 18 kg flatboat at a distance D 4.6 m from the shore. He walks 1.7 m along the boat toward shore and then stops. Assuming no friction between the boat and the water, find how far the dog is then from the shore. (Hint: See Figure (b). The dog moves leftward and the boat moves rightward, but does the center of mass of the boat dog system move?) (a) Dogs displacement da Boats displacement d, (b) Number Units

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om h sh.rt ls M.2b m

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