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Test Review. Week 3 CCA 2013-2014. Question : The table below represents the position of a dog as a function of time. What is the average velocity during the 6 s to 8 s interval? a. 12 m/s b. 13 m/s c. 0 m/s d. 14 m/s. A. B.
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Test Review Week 3 CCA 2013-2014
Question: The table below represents the position of a dog as a function of time What is the average velocity during the 6 s to 8 s interval? a. 12 m/s b. 13 m/s c. 0 m/s d. 14 m/s
A B Question: Observe the diagram below. Mr. and Mrs. Jones travels from point A to point B at a constant 35 km/hour. Which of the following changes? • Speed and velocity • Velocity • Speed • None of the above Justify your answer: _________________________________________________
Question: A ladybug walks 10 cm in 2 s. The ladybug stops for 10 s to eat on a leaf and then walks 15 cm farther in 20 s to get to her favorite flower. What the average speed of the ladybugs entire walk? • 1.14 m/s • 0.78 m/s • 1.28 m/s • 0.88 m/s
Velocity (m/min) Time (min) Question 0 • What is the velocity of the truck at t = 20min? • 8 m/min B. 35 m/min C. 40 m/min D. 0 m/min
Question Label the following as S- Scalar quantity or V- Vector quantity • Speed- __________ • Time- __________ • 47 Celsius- __________ • 165 grams- __________ • Velocity- __________ 6. 50 mph east- __________ 7. 25 km/hr- __________ 8. 16 mL- __________ 9. distance- __________ 10. displacement- ________
Question: What does the slope of the line for a displacement vs. time graph represent? ___________ Displacement vs. Time Displacement (m)
Directions: Calculate the average velocity of the object from 0 to 10 minutes. Displacement (m) 0 10 20 30 Time (min)
Observe the diagram of the car below and answer the questions that follow. Question: Calculate the average speed of the car from 0 seconds to 5 seconds in the space below. Question: Calculate the instantaneous speed of the car at 3 seconds in the space below. Question: How does the average speed compare to the instantaneous speed of the car?___________ Explain why: __________________________________________________
The graph shows Marie’s distance from home (A) to work (F) at various times during her drive. Question: Which section of the graph represents Marie waiting at a traffic light? _________ Question: Which section of the graph represents Marie going back home to pick up her lunch? _______
The graph below represents the motion of an object. Distance (m) Time (s) Question: Which word best describes the velocity of the object over the 10 seconds. A. constant B. increasing C. decreasing D. changing
Question: Luis is riding a horse at a velocity of 35 km/hr. He reaches the stable in 15 hours. How many kilometers did he travel?
Describe Motion of object Describe Motion of object Graph 1 Graph 2
Question Explain how the apple on the table is at rest and moving 107,000 km/h at the same time. _______________________ Question: What did you use as your frame of reference to describe the apple at rest? ___________________________ Question: What did you use as your frame of reference to describe the apple moving at 107,000 km/h?_____________________
Observe the distance vs time graph below. Question: Calculate the average speed of car A over the duration of its motion. ________ Question: Calculate the average speed of car B over the duration of its motion. ________