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Chapter 3, Lesson 2 (Speed)

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  • Velocity = ________ + _________
    speed plus direction
  • A train is traveling 10 miles in 2 hours. What is speed the train is traveling?
    10 miles divided by 2 hours = 5 miles per hour (mph)
  • If you bike 12 miles in one hour, and you bike for 1 hour. How far have you biked?
    12 miles
  • What combines both speed and direction an object is moving?
    Velocity
  • What are three types of acceleration
    Starting, speeding up, slowing down
  • True or False: Objects move at different speeds
    True
  • If you walk 3 miles per hour and you walk for 2 hours, how far have you walked?
    6 miles
  • What is any change in speed or direction of an object's motion?
    Acceleration
  • 15 mph south is an example of ___________
    Velocity
  • What is the average speed of a car traveling from New Orleans to Pensacola, Fl if the car traveled 400 miles in 5 hours?
    400 miles divided by 5 hours = 80 miles per hour
  • Think of an example how objects move at different speeds at different times
    Riding a bike - sometimes fast, sometimes slow Driving a car - sometimes zoom, sometimes slow Disney World Ride - sometimes fast, sometimes slow
  • True or False: The speed of most objects is constant
    False. The speed is not constant usually. In other words, objects usually do not move at the same speed all the time.
  • True or False: You find the average speed by multiplying the distance traveled by the total time moving?
    False. You divide the distance by the time spent moving
  • How do you find an object's average speed?
    Divide the distance the object moves by the total time spent moving
  • What is the average speed if a car traveled 200 miles in 4 hours?
    200 miles divided by 4 hours = 50 mph
  • Speed is the _________ at which an object changes _________
    Speed is the RATE at which an object changes POSITION
  • Owen rides his bike for 15 miles in 1 hour. What speed is he traveling?
    15 mph
  • If you walk 2 miles per hour and you walk for 1 hour. How far have you traveled?
    2 miles
  • We drive to the beach. It is 50 miles away. It takes us 5 hours to get there. What is our average speed? Include your units!
    50 miles divided by 5 hours = 10 miles per hour
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