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Sci-Ch. 3: Lesson 2 What is Speed? Forces & Moti ...

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  • What is the average speed of a car traveling from New Orleans to Destin, Fl? The car traveled 300 miles in 5 hours. (show your formula..show your work)
    Speed=300 miles/5 hour..300 divided by 300 equals 60 Speed=60 mph
  • You and your family are traveling to Six Flags for the summer. It is a distance of 60 miles from your house to six flags. The drive will take you 30 minutes. What is your average speed?
    60 divided by 30 = 20 miles per hour (mph)
  • The marble rolls 8 meters in 2 seconds. How fast is the marble rolling? (show your formula..show your work)
    Speed=8 meters/2seconds Speed=4m/s
  • If you walk 3 miles per hour, then, in an hour you have walked _____ miles?
    3
  • To find an object’s average speed, divide the ___________ the object moves by the total ____________ spent moving.
    Distance, time
  • The speed of most objects is NOT constant. In other words, objects do not move at the same speed all of the time. Think about riding a bike. In these types of math problems you can calculate the _______ _______.
    Average speed
  • _____________ is any change in speed or direction of an object’s motion.
    Acceleration
  • If you walk 2 miles per hour, then, in an hour you have walked _______ miles?
    2
  • Patrick rides his bike 12 miles in 1 hour. What speed is Patrick traveling on his bike?(show your formula..show your work)
    Speed=12miles/1hour Speed=12 mph
  • Objects move at different _________.
    Speeds
  • If you drive 60 miles per hour, then, in one hour you have driven ____ miles?
    60
  • Linda walks 2 miles in 1 hour. What speed is Linda walking? (show your formula..show your work)
    Speed=2 miles/1 hour Speed=2mph
  • What is the average speed of a car traveling from New Orleans to Mississippi? The car traveled 200 miles in 4 hours? (show your formula..show your work)
    Speed=200 miles/4 hours ...200 divided by 4 equals 50 Speed=50 mph
  • Velocity combines both speed and directions...true or false?
    True. An example of a unit of velocity is miles per hour North. This is a good example because it tells you the speed (miles per hour) and a direction (North)
  • The formula for average speed is:
    Speed = distance/time *Speed equals distance divided by time
  • A train is traveling 10 miles in 2 hours. What speed is the train traveling? (show your formula..show your work)
    Speed=10 miles/2 hours Speed=5mph
  • If you bike 12 miles per hour, then, in one hour you have biked _____ miles?
    12
  • ____________ combines both the speed and the direction an object is moving.
    Velocity
  • If you walk 1 mile per hour, then, in an hour you have walked __________ mile?
    1
  • Name three types of acceleration:
    Starting, speeding up, and slowing down
  • __________ is the ___________ at which an object changes ____________.
    Speed, rate, position