instantaneous velocity | | To determine displacement from a velocity-time graph you calculate the ____________ under the line. |

path | | Shape of the line on a position-time graph when acceleration occurs. |

kilometers | | The most commonly used frame of Reference. |

seventy | | You would measure the distance from kansas City to St. Louis in ____________. |

curved | | You jogged 300 m south then 120 m north in 1.5 minutes. Your average velocity was ______ m/s [south]. |

instantaneous speed | | A car goes from 0 m/s to 60 m/s in 20 sec. It's average acceleration was ______ m/s/s |

velocity | | What the slope on a velocity-time graph represents. |

constant | | All Motion is _______________ to some reference. |

surface of earth | | A measure of how far and in what direction you are from the starting point as measured as a straight line. |

distance | | Length of the total path taken. |

positive | | A graph that shows an objects position as it is related to time. |

direction | | The zero point for your system, what you make your measurements from. |

velocity | | A car travels 40 km in 30 minutes. It's average speed was ______ km/hr. |

displacement | | The velocity of an object at a particular instant in time. |

reference point | | On a position-time graph the slope of the line tells you the ____________ of the object. |

relative | | A truck traveling at 35 m/sec accelerates at 2.5 m/s for 14 sec. What is it's final velocity? |

started | | For your total displacement to be zero you must end up back where you ____________. |

acceleration | | A quantity that consists of a magnitude or amount only. |

speed | | A dimension in which events happen in sequence. |

eighty | | The speed of an object at a particular instant in time. |

straight | | For the displacement and distance traveled to be the same the ____________ taken must be straight. |

two | | Setting your car's cruse control allows you to go at a ____________ speed. |

slope | | Rise over run. |

three | | The rate at which something is moving. |

slowing | | A quantity that has a magnitude and direction of action. |

six | | Results when acceleration is at an angle to the direction of motion. |

vector | | Speed is always ____________ . |

time | | Results when direction of acceleration is opposite that of motion. |

velocity-time graph | | Velocity always has this. |

changes direction | | The ratio of an objects displacement to the time it takes to be displaced. |

position-time graph | | A system of objects that are not moving with respect with each other. |

acceleration | | The rate at which an objects velocity changes |

scalar | | On a position-time graph a ____________ line indicates constant velocity. |

frame of reference | | How long does it take a car traveling at 60 miles/hr to travel 240 miles. |

area | | A graph that shows how velocity is related to time. |

speeds up | | An object with negative velocity experiences neagtive acceleration? |