a cyclist moves 12km due north then 5km due east in 3hr. find his Average speed, Average Velocity in m/s
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Total distance=17 km
Speed =Distance /Time
=17/3×5/18=1.57 m/s
Total displacement = 5^2+12^2=169=13 km
Velocity =Displacement /Time
=13/3×5/18=1.203 m/s towards North East
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