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CVM Test Review. Please grab a small white board and take out your notes. Individual. Position (m). Fill in the blanks: The graph has a __________ fit which means that the object is traveling at a _________ rate.

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Cvm test review
CVM Test Review

  • Please grab a small white board and take out your notes


Cvm test review

Individual

Position (m)

  • Fill in the blanks:

  • The graph has a __________ fit which means that the object is traveling at a _________ rate.

  • Word Bank: constant, decreasing, positive, linear, increasing, non-linear, direct

Time (s)


Cvm test review

Individual

Position (m)

  • Given the graph above:

  • 1.What is the independent variable?

  • 2.What is the dependent variable?

  • 3.What does the slope represent?

  • 4.What does the y-intercept represent?

Time (s)


Cvm test review

Class

Position (m)

  • 5. What direction is the object traveling? How do you know?

  • 6. What is it’s velocity? +/-/0, how do you know?

Time (s)


Cvm test review

Class

B

A

Position (m)

  • Which object has a greater speed? How do you know?

  • What happens at 4 seconds?

4

Time (s)


Cvm test review

Class

B

Position (m)

A

  • Which object has a greater speed? How do you know?

  • Do the objects ever pass each other? How do you know?

4

Time (s)


Cvm test review

Individual

3

2

1

Velocity (m/s)

0

-1

-2

  • Calculate the displacement from:

    • 0-3

    • 3-6

    • 6-8

    • 8-10

-3

0 1 2 3 4 5 6 7 8 9 10 11

Time (s)


Cvm test review

Individual

  • Ashrita Furman holds several world records. In 2004 he set the world record for the fastest 100m on a space hopper. He traveled at 3.31 m/s on the space hopper. How long did it take him?


Cvm test review

Individual

  • In 2010, he set the record for the fastest mile on a space hopper. It took him 13 minutes flat. What was his average velocity in m/s?

  • 1 mile = 1609 m

  • 1 minute = 60 seconds


Cvm test review

Individual

  • Ashrita also holds a world record for potato sack racing. In 2007, he raced at an average velocity of 1.607 m/s for 1001 seconds. What distance did he travel?

Fun fact: Ashrita holds the World Record for the most world records held by one person (currently 202)


Check do we need more practice with solving constant velocity problems
CheckDo we need more practice with solving constant velocity problems?


Cvm test review

Individual

  • The current fastest airplane is the Lockheed SR-71 Blackbird. It set the record in 1976, with a velocity of 980.4 m/s. If the circumference of the Earth is about 40,000,000m, how long would it take the Blackbird to go around the world in hours?


Cvm test review

Individual

  • To get her world record, Joanne Singleton ran at an average rate of 3.67 m/s for 5745 s (1 hour, 35 min, 45s) dressed as a strawberry. How far did she run?


Cvm test review

Individual

  • Tom Wiberg built and rode the world’s smallest motorcycle. He traveled 10 m in 18 seconds. What was his average velocity?


Cvm test review

Individual

6

5

4

Position (m)

3

2

1

  • Given the following graph:

    • 1.Sketch a velocity vs. time graph

    • 2.Sketch a motion map

0

0 1 2 3 4 5 6 7 8 9 10 11

Time (s)


Cvm test review

Individual

6

5

4

Position (m)

3

2

1

  • Given the following graph:

    • 1.Sketch a velocity vs. time graph

    • 2.Sketch a motion map

0

0 1 2 3 4 5 6 7 8 9 10 11

Time (s)


Cvm test review

Individual

6

5

4

Position (m)

3

2

1

  • Given the following graph:

    • 1.Determine the average velocity

    • 2.Write the mathematical model that describes the object’s motion

0

0 1 2 3 4 5 6 7 8 9 10 11

Time (s)


Cvm test review

Individual

6

5

4

Position (m)

3

2

1

  • Given the following graph:

    • 1.Determine the average velocity

    • 2.Write the mathematical model that describes the object’s motion

0

0 1 2 3 4 5 6 7 8 9 10 11

Time (s)


Homework prepare for success
Homework: Prepare for Success!

  • Review the worksheets we did the last couple of days.

  • Review this powerpoint

    • The answers are posted after this slide


Answers
Answers

  • Slide 2: linear, constant

  • Slide 3: time, position, velocity, initial position

  • Slide 4: negative direction because of negative slope, negative velocity because of negative slope

  • Slide 5: B because it has a steeper slope, they have the same position at the same time (they meet, pass, collide, etc.)


Answers1
Answers

  • Slide 6: B because it has a steeper slope, No because they never have the same position at the same time (the lines do not intersect)

  • Slide 7: 6m, 0m, -6m, 2m

  • Slide 8: 30.21 sec

  • Slide 9: 2.06 m/s

  • Slide 10: 1608.607m (1 mile)

  • Slide 12: 11.3 hours

  • Slide 13: 21084.15 m (a half marathon)

  • Slide 14: 0.556 m/s (1.24 mph)


Answers slide 15
Answers: Slide 15

3

2

1

Velocity (m/s)

0

-1

-2

-3

0 1 2 3 4 5 6 7 8 9 10 11

Time (s)


Answers slide 16
Answers: Slide 16

3

2

1

Velocity (m/s)

0

-1

-2

-3

0 1 2 3 4 5 6 7 8 9 10 11

Time (s)


Answers2
Answers

  • Slide 17: -4/6 m/s = -2/3 m/s = -0.667 m/s; x = -0.667 t + 5

  • Slide 18: 5/10 m/s = ½ m/s = 0.5 m/s;

    x = 0.5 t