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A farmer moves along the boundary of a square field of side 10m in 40swhat will be the magnitude of displacement of the farmer at the end of 2minutes 20sfrom his inital positions?
Wiki User
∙ 14y ago
Field is square ===> full perimeter travel time is 4 x (one side travel time) = 4 x 40 = 160sec = 2min 40sec 2min 20sec is 20sec short of the full perimeter = 1/2 of one-side travel time = 5 meters' travel time
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoThe simplest way to find his speed, in meters/second.
10m per 40s, reduce the 10 and 40, 1/4 m/s. Find how many seconds there are in 2min 20 sec, 140s. 1/4 m/s after 140s. 1/4*140=35m.
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