Answers

2016-02-18T19:06:15+05:30
Speed is the displacement of a object
velocity is the force used by object for displacement
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2016-02-18T19:12:40+05:30
speed is a scalar quantity i.e. it has magnitude but no direction
where-else
velocity is a vector quantity i.e. it has magnitude as well as direction
i hope it helps.......... 
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