Constant Velocity (in One Dimension)恒定的速度（在一个尺寸）

Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Constant Velocity,(in One Dimension),Monkemeier,Try Now.,1.Do you know the difference between scalar quantities and vector quantities?,Here is a hint:Scalar quantities include distance and speed while vector quantities include displacement and velocity as well as acceleration.,2.What does the slope of a displacement vs.time graph represent?,Describe the motion of,this particle.,Scalar vs.Vector,Scalar Quantities have magnitude(how much)only.,Examples:,Distance,Time,Speed,mass,Vector Quantities have magnitude and direction,Examples,Displacement,Velocity,Acceleration,What does the slope of a displacement vs.time graph represent?,The slope of the line on a displacement vs.time graph represents an objects velocity.,Describe the motion of this particle.,Starting at zero moving AWAY at a CONSTANT velocity of 0.5 m/s for 50 s,Moving TOWARD the detector at CONSTANT velocity of-1.0 m/s for 10 s,At rest for 30 s 15 m in front of the detector,Moving away at a constant speed of 0.5 m/s for 20 s.,