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Unit II: Worksheet 1

Name

Date Pd

1. Consider the position vs. time graph below for cyclists A and B.

x (m)

A B

t (s) a. Do the cyclists start at the same point? How do you know? If not, which is ahead?

5

b. At t= 7s, which cyclist is ahead? How do you know?

c. Which cyclist is travelling faster at t = 3s? How do you know?

d. Are their velocities equal at any time? How do you know?

e. What is happening at the intersection of lines A and B?

f. Sketch a velocity vs. time graph for both cyclists next to the position vs. time graph above.

©Modeling Workshop Project 2002

1

Unit II ws1 v2.0

2. Consider the position vs. time graph below for cyclists A and B.

A X (m)

B

t (s) a. How does the motion of the cyclist A in this graph compare to that of A in the question one?

5

b. How does the motion of cyclist B in this graph compare to that of B in the previous graph on page one?

c. Which cyclist has the greater speed? How do you know?

d. Describe what is happening at the intersection of lines A and B.

e. Which cyclist traveled a greater distance during the first 3 seconds? How do you know?

f. Which cyclist traveled a greater distance during the first 5 seconds? How do you know?

g. Sketch a velocity vs. time graph for both cyclists next to the position vs. time graph above.

©Modeling Workshop Project 2002

2

Unit II ws1 v2.0

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Microsoft Word - 05_U2 ws 1-nh2.doc