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

Mar 26, 2015

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Page 1: V In the study of kinematics, we consider a moving object as a particle. Displacement Kinematics in One Dimension (Phy 2053) vittitoe.

v

In the study of kinematics, we consider a moving object as a particle.

Displacement

Kinematics in One Dimension (Phy 2053) vittitoe

Page 2: V In the study of kinematics, we consider a moving object as a particle. Displacement Kinematics in One Dimension (Phy 2053) vittitoe.

0 2 4 6246

x

Displacement

The displacement of a particle is defined as its change in position.

(m)

x = x xo

= 6 m 2 m

= 4 m (West)

Page 3: V In the study of kinematics, we consider a moving object as a particle. Displacement Kinematics in One Dimension (Phy 2053) vittitoe.

0 2 4 6246

x

The displacement of a particle is defined as its change in position.

(m)

x = x xo

= m m

= m (west)

Displacement

x = x xo

= m-2m

= - m (East)distance =? ….travels 2m to 6m = 4m, then travels from 6m to -4m, which is 10mTotal distance x = 14m

Page 4: V In the study of kinematics, we consider a moving object as a particle. Displacement Kinematics in One Dimension (Phy 2053) vittitoe.

0 2 4 6246

x

The displacement of a particle is defined as its change in position.

(m)

x = x xo

= ( m) (6 m)

= 8 m (west)

Displacement

Page 5: V In the study of kinematics, we consider a moving object as a particle. Displacement Kinematics in One Dimension (Phy 2053) vittitoe.

m 40m 03m 70

xΔxΔxΔ 21net

EastWest

70 m

30 m

Displacement

East40 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

Page 6: V In the study of kinematics, we consider a moving object as a particle. Displacement Kinematics in One Dimension (Phy 2053) vittitoe.

Graph on SB

Page 7: V In the study of kinematics, we consider a moving object as a particle. Displacement Kinematics in One Dimension (Phy 2053) vittitoe.

Average speed

The average speed of a particle is defined as

time totaldistance total

speed Average

Velocity

Page 8: V In the study of kinematics, we consider a moving object as a particle. Displacement Kinematics in One Dimension (Phy 2053) vittitoe.

Average velocity

The average velocity of a particle is defined as

xv

tx

vx

12

12ttxx

Velocity

Page 9: V In the study of kinematics, we consider a moving object as a particle. Displacement 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

x

t

tx

v

sm 0.5

02010

v

Kinematics in One Dimension (Phy 2053) vittitoe

Page 10: V In the study of kinematics, we consider a moving object as a particle. Displacement 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 (con’t)

x

t

tx

v

sm 25.1

0405

v

Kinematics in One Dimension (Phy 2053) vittitoe

Page 11: V In the study of kinematics, we consider a moving object as a particle. Displacement 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 (con’t)

x

t

tx

v

sm 5.2

24105

v

Kinematics in One Dimension (Phy 2053) vittitoe

Page 12: V In the study of kinematics, we consider a moving object as a particle. Displacement 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 (con’t)

x

t

tx

v

sm 33.3

4755

v

Kinematics in One Dimension (Phy 2053) vittitoe

Page 13: V In the study of kinematics, we consider a moving object as a particle. Displacement 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 (con’t)

t

tx

v

sm 0.0

0800

v

Kinematics in One Dimension (Phy 2053) vittitoe