1. a. What does represent in Model 1?
b. Which student never drops a cell phone?
2. How many falling cell phones are included in Model 1?
3. What does PE represent in Model 1? Be specific.
4. Find the three arrows in
...
1. a. What does represent in Model 1?
b. Which student never drops a cell phone?
2. How many falling cell phones are included in Model 1?
3. What does PE represent in Model 1? Be specific.
4. Find the three arrows in Model 1. What does KE represent in Model 1? Be specific.
5. Look carefully at the “Phones before falling” diagram. Which cell phone is located above the highest level of
the staircase?
6. Look closely at the “Phones before falling” and “Phones falling” diagrams. Highlight the letter of the one cell
phone that stays in the same position in both diagrams. A B C D
7. Complete this data table. Use information from Model 1. Highlight one choice in each box.
Cell Phone Potential Energy before falling Kinetic energy just before hitting
the ground
B Low Medium High Low Medium High
C Low Medium High Low Medium High
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shared via CourseHero.comD Low Medium High Low Medium High
8. Look carefully at the patterns in your answer to question 7. Complete the two statements below.
a. When a cell phone falls, its potential energy is transformed into …
b. Imagine a cell phone that starts with high potential energy. Highlight the answer that makes the following
statement true.
When the phone falls, its kinetic energy just before it hits the ground will be… low medium high
9. Complete the statement by describing how the amount of an object’s potential energy relates to the amount
of kinetic energy it has just before it hits the ground.
The higher the amount of potential energy in an object before it starts moving,
10. Imagine a child places a toy car at the highest point on the track shown below. The child gives the car a
small push to get it moving.
a. Describe the time when the car is moving the fastest.
b. Explain your answer in a concise statement. Include the terms potential energy, kinetic energy, and distance
from the ground.
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