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Amanda and Bertha are in a car race. Their cars have the same mass. At one point in the race, they both change their speeds by 10 m/s in 2 seconds. Ignore air friction. 2 s later 2s later 10 m/s 20 m/s 20 m/s 30 m/s Amanda Bertha

Amanda and Bertha are in a car race. Their cars have the same mass. At one point in the race, they both change their speeds by 10 m/s in 2 seconds. Ignore air friction. 2 s later 2s later 10 m/s 20 m/s 20 m/s 30 m/s Amanda Bertha

College Physics
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter7: Work, Energy, And Energy Resources
Section: Chapter Questions
Problem 64PE: Integrated Concepts (a) What force must be supplied by an elevator cable to produce an acceleration...
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11. How much work does Amanda's car experience compared to Bertha's? * Amanda and Bertha are in a car race. Their cars have the same mass. At one point in the race, they both change their speeds by 10 m/s in 2 seconds. Ignore air friction. 2s later 2s later 10 m/s 20 m/s 20 m/s 30 m/s Amanda Bertha a. Amanda's car experiences less work b. Amanda's and Bertha's car experience the same amount of work c. Amanda's car experiences more work. d. Only Rihanna would know. (Work Work Work Work Work...) Sign out VO 10:33 96
Transcribed Image Text:11. How much work does Amanda's car experience compared to Bertha's? * Amanda and Bertha are in a car race. Their cars have the same mass. At one point in the race, they both change their speeds by 10 m/s in 2 seconds. Ignore air friction. 2s later 2s later 10 m/s 20 m/s 20 m/s 30 m/s Amanda Bertha a. Amanda's car experiences less work b. Amanda's and Bertha's car experience the same amount of work c. Amanda's car experiences more work. d. Only Rihanna would know. (Work Work Work Work Work...) Sign out VO 10:33 96
Expert Solution
Step 1 Given Information

Initial velocity of Amanda's car , Via = 10 m/s

Final velocity of Amanda's car , Vfa =  20 m/s

Initial velocity of Bertha's car , Vib = 20 m/s

Final velocity of Bertha's car , Vfb =  30 m/s

We have to calculate amount of work done .

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