Kinematics: Linear Motion in One Dimension Class 1.

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Presentation transcript:

Kinematics: Linear Motion in One Dimension Class 1

Distance, Displacement Time Average Speed, Average Velocity

x-t graph

What is the average speed and average velocity for a 1-round swimming in 50s? * Average speed is not the magnitude of average velocity.

Instantaneous Velocity

Motion Diagram

Average and Instantaneous Acceleration “acceleration is to velocity as velocity is to position”

v-t graph

Curvature

Motion without Acceleration

Motion with Constant Acceleration e.g. dripping drops of water from a faucet

The Four Formulae

Freely Falling Bodies acceleration due to gravity, g = 9.8 m/s 2

Motion with Changing Acceleration

Integration