Mathematics
Mathematics, 28.06.2019 14:40, shermaine17

Two points, l and n, are 160 m apart. m lies on the straight line joining l and n. an object travels from l to m at an average speed of 10 m/s in 6 seconds and then from m to n at an average speed of 25 m/s. find the average speed of the object for its entire journey from l to n.

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Two points, l and n, are 160 m apart. m lies on the straight line joining l and n. an object travels...

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