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Mathematics 21 Online
OpenStudy (anonymous):

A boat is pulled into a dock by a rope attached to the bow ("front") of the boat and passing through a pulley on the dock that is 1m higher than the bow of the boat. If the rope is pulled in at a rate of 1m/s, how fast is the boat approaching the dock when it is 8m from the dock? (in m/s)

OpenStudy (anonymous):

|dw:1383127388000:dw| how about fractionize the 1 m/s in a vertical and a horizontal component?

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