Homework Help: science

Posted by Jordan on Wednesday, October 14, 2009 at 2:34pm.

At the annual turtle races, Poindexter, the record holder, is trying to retain his title. As the race begins, Poindexter starts off racing North with a speed of 0.025 m/s. He retains this speed for 0.5 meters at which time he speeds up to 0.10 m/s. He continues at this rate for 0.75 meters. Tiring, he slows to 0.07 m/s and continues for another half of a meter. Applying all his concentration and effort for the last bit of the race he increases his speed to a swift 0.085 m/s. An exhausted Wood Turtle, Poindexter completes his two meter race beating his closest competitor by a nose.

What is the displacement?

science - DrBob222, Wednesday, October 14, 2009 at 4:00pm
Isn't the displacement just 2 meters to the north of where he started? Check my thinking. I think all of that speed stuff is a distraction.

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