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Mathematics 9 Online
OpenStudy (anonymous):

A lawn mower is pushed a distance of 150 ft along a horizontal path by a constant force of 20 lb. The handle of the lawn mower is held at an angle of 30° from the horizontal (see the figure). Find the work done. (Round your answer to the nearest whole number.)

sam (.sam.):

|dw:1337148036981:dw| W=Fd W=Fcos30 d

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