V In the study of kinematics, we consider a moving object as a particle. Displacement Kinematics in One Dimension (Phy 2053) vittitoe.

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Presentation transcript:

v In the study of kinematics, we consider a moving object as a particle. Displacement Kinematics in One Dimension (Phy 2053) vittitoe

x Displacement The displacement of a particle is defined as its change in position. (m) x = x x o = 6 m 2 m = 4 m (West)

x The displacement of a particle is defined as its change in position. (m) x = x x o = m m = m (west) Displacement x = x x o = m-2m = - m (East) distance =? ….travels 2m to 6m = 4m, then travels from 6m to -4m, which is 10m Total distance x = 14m

x The displacement of a particle is defined as its change in position. (m) x = x x o = ( m) ( 6 m) = 8 m (west) Displacement

EastWest 70 m 30 m Displacement East 40 m Displacement A student walks 70 m East, then walks 30 km West. What is the magnitude of the students net displacement? A) 30 m B) 40 m C) 70 m D) 100 m

Graph on SB

Average speed The average speed of a particle is defined as Velocity

Average velocity The average velocity of a particle is defined as Velocity

The displacement versus time for a certain particle moving along the x axis is shown below. Find the average velocity in the time intervals (a) 0 to 2 s (b) 0 to 4 s (c) 2 s to 4 s (d) 4 s to 7 s (e) 0 to 8 s. Motion Diagrams Kinematics in One Dimension (Phy 2053) vittitoe

The displacement versus time for a certain particle moving along the x axis is shown below. Find the average velocity in the time intervals (a) 0 to 2 s (b) 0 to 4 s (c) 2 s to 4 s (d) 4 s to 7 s (e) 0 to 8 s. Motion Diagrams (cont) Kinematics in One Dimension (Phy 2053) vittitoe

The displacement versus time for a certain particle moving along the x axis is shown below. Find the average velocity in the time intervals (a) 0 to 2 s (b) 0 to 4 s (c) 2 s to 4 s (d) 4 s to 7 s (e) 0 to 8 s. Motion Diagrams (cont) Kinematics in One Dimension (Phy 2053) vittitoe

The displacement versus time for a certain particle moving along the x axis is shown below. Find the average velocity in the time intervals (a) 0 to 2 s (b) 0 to 4 s (c) 2 s to 4 s (d) 4 s to 7 s (e) 0 to 8 s. Motion Diagrams (cont) Kinematics in One Dimension (Phy 2053) vittitoe

The displacement versus time for a certain particle moving along the x axis is shown below. Find the average velocity in the time intervals (a) 0 to 2 s (b) 0 to 4 s (c) 2 s to 4 s (d) 4 s to 7 s (e) 0 to 8 s. Motion Diagrams (cont) Kinematics in One Dimension (Phy 2053) vittitoe