A boy run 5km due west and return back to travel a further distance of 4km before resting. the whole journey takes I hour. calculate (1) the total distance travelled (2) the average speed (3) the displacement from the starting point (4) the average velocity
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These systems use continuous tubes called xylem and phloem. Xylem carries water and minerals from the roots to the leaves while Phloem carries sugar & other organic nutrients made by plant from the leaves to the rest of the plant. Xylem vessels have a thick, strengthened cellulose cell wall with a hollow lumen.y the next thing I can get the latest flash player is required for video playback stopped because this video is not available for remote playback stopped because this video isn't a good idea but it and it will not a problem with the latest flash player
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