A roller-coaster car shown in the figure below is pulled up to point 1 where it is released from rest. Take y = 34 mm . (Figure 1)   Part A Assuming no friction, calculate the speed at point 2. Express your answer to two significant figures and include the appropriate units.       Part B Calculate the speed at point 3. Express your answer to two significant figures and include the appropriate units.       Part C

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A roller-coaster car shown in the figure below is pulled up to point 1 where it is released from rest. Take y = 34 mm .
(Figure 1)

 

Part A

Assuming no friction, calculate the speed at point 2.
Express your answer to two significant figures and include the appropriate units.
 
 
 

Part B

Calculate the speed at point 3.
Express your answer to two significant figures and include the appropriate units.
 
 
 

Part C

Calculate the speed at point 4.
Express your answer to two significant figures and include the appropriate units.
 
The image illustrates a cross-sectional diagram of a hilly terrain with numerical labels at different points and vertical measurements on the side.

1. The terrain has four distinct points labeled 1, 2, 3, and 4, indicating key elevations.
2. Point 1 is situated at the top of the first hill.
3. Point 2 is at the bottom of a valley between two hills.
4. Point 3 is on the peak of the second hill.
5. Point 4 is located on a plateau following the second hill.
6. The height of the first hill from the base to its peak is marked as \( y \).
7. The relative height from the base level to the plateau (Point 4) measures 14 meters.
8. The total height from the bottom of the terrain to the top of the second hill (Point 3) is 26 meters.

This terrain model can be used to study topographical features and analyze elevation changes for educational purposes.
Transcribed Image Text:The image illustrates a cross-sectional diagram of a hilly terrain with numerical labels at different points and vertical measurements on the side. 1. The terrain has four distinct points labeled 1, 2, 3, and 4, indicating key elevations. 2. Point 1 is situated at the top of the first hill. 3. Point 2 is at the bottom of a valley between two hills. 4. Point 3 is on the peak of the second hill. 5. Point 4 is located on a plateau following the second hill. 6. The height of the first hill from the base to its peak is marked as \( y \). 7. The relative height from the base level to the plateau (Point 4) measures 14 meters. 8. The total height from the bottom of the terrain to the top of the second hill (Point 3) is 26 meters. This terrain model can be used to study topographical features and analyze elevation changes for educational purposes.
Expert Solution
Step 1

We have a car at point 1 which is at a height y=y1=34 m. Since it is released from this point so velocity at this point v1=0. The point 2 is at ground (y2=0), point 3 is at a height y3=26 m and point 4 is at a height y4=14 m.

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