1.

Which is greater- Speed of 24 km/h or 12.8 m/s and by how much?Note you can compare them in any units.

Answer»

speed in( km/h) = 18/5 times speed in (m/s)

so 24km/h in m/s = 24*(5/18) = 20/3 m/s. = 6.67m/s

therefore 12.8 m/s is greater than 6.7 m/s by 4.1m/s.



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