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Speed G4

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  • A runner was running and he came to a curve in the track,this is
    Acceleration
  • What is acceleration?
    Change in speed ,or change in direction.
  • If a man walks 10 steps forward,then 5 steps backwards.This is speed or velocity?
    Velocity
  • A bus moves a distance of 60km in 3min,what is its speed?
    20km/min
  • Calculate the speed of a boy who runs 30m in 3h?
    30/3=10m/h
  • A bird flies 40m in 10min,what was its speed?
    4m/min
  • Describe motion?
    Change in position of an object.
  • The wind was blowing at a speed of 15km/h Northwest. This describes
    velocity
  • A train was moving 300km/h ,to the North ,what does this describes?
    Velocity
  • A dolphin swims 100 km in 20sec, what is its speed?
    5km/sec
  • How do we calculate speed?
    Distance /time
  • What is velocity?
    The combine of speed with direction.
  • A girl cycles at 30 km/h, this describes her; speed or velocity?
    Speed
  • acceleration is
    change in speed or direction
  • A whale swims a distance of 120km in 30min? Calculate its speed
    120/30=6km/min
  • What is speed?
    The rate of change of distance with time.
  • A ship sails at 250km/h to the west. This Describes; speed or velocity
    Velocity
  • A car moves a distance of 10km in 1h,what is its speed?
    10km /h
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