Constant Velocity Particle Model Worksheet 4:



Name

Date Pd

Constant Velocity Particle Model Worksheet 5:

Multiple Representations of Motion

 

Given one motion representation, supply the missing motion representations.

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Written description:

The object starts right of the zero reference position and moves at a constant slow speed to the right, stops for a while and then moves at constant speed more rapidly to the left. Each of the time intervals is roughly equal.

1.

t

v

t

x

Written description:

The objects starts to the right of the zero reference position, moves rapidly at constant speed to the left, abruptly reverses direction, moving at constant speed, but more slowly to the right, then stops for a bit.

start

end

v v

Motion map:

v v

2.

start

end

v

v

v

v

v

Motion map:

v

x

t

t

4.

t

x

start

end

v v v v v

Motion map:

v v

-1

+2

2 4 8

Written description:

The object starts 1m to the right of the zero reference point, stays there for 2 s, then moves to the right at 2 m/s, then reverses direction and moves to the left at 1 m/s, returning to its original position. Note: starting position is arbitrary.

v (m/s)

t (s)

start

end

v v

Motion map:

v v v

t

v

3 6 9

3.

Written description:

The object starts to the right of the zero reference point, moves slowly at constant speed to the left for 3s, stops for 3s, then continues to the left at a constant, but more rapid speed for 3s.

x

t (s)

v v v v

t

t

x

v

Motion map: "t = 1 s

Written description:

The object starts 6 m to the right of the zero reference point, moves to the left at 2 m/s for 2 seconds, stops for 2 seconds, then returns to iMotion map: ∆t = 1 s

Written description:

The object starts 6 m to the right of the zero reference point, moves to the left at 2 m/s for 2 seconds, stops for 2 seconds, then returns to its original position in 3 seconds.

6.

0m 2m 4m 6m

start

end

2 4 7

v v

start

end

v v v v

Motion map:

v v

t

t

x

v

Written description:

Object moves with constant positive velocity for 4 seconds. Then, it stops for 2 seconds and returns to the initial position in 2 seconds.

4 6 8

v v v

5.

A

B

v v v v v v

v v v v v v

t

t

x

v

Motion map:

Written description:

7.

Object A starts 10m to the right of the zero position and moves to the left at 2 m/s. Object B starts at zero position and moves to the right at 3 m/s.

1 2 3 4 5

1 2 3

t

t

x

v

Motion map: ∆t = 1s

Written description:

Object A starts at the zero reference point and moves at 1 m/s to the right.

Object B starts 1 meter to the right of object A and moves to the right at the same speed ending up in the same location as A due to traveling one less second.

8.

A

B

0m 1m 2m 3m

end

start

start

v v v v

v v v

end

*Both A and B begin moving at t = 0.

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