How Does Energy Conservation Apply to MCAT Physics Problems?

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Energy conservation principles are crucial for solving MCAT physics problems, as they help in understanding the relationships between kinetic and potential energy. The discussion highlights a specific question where the correct answer was identified as C, while another participant initially chose B. This indicates the importance of reviewing energy conservation concepts to avoid common mistakes. Participants emphasize the need for practice and comprehension of these principles to improve performance on the MCAT. Mastering energy conservation can significantly enhance problem-solving skills in physics-related questions on the exam.
Nick tringali
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Homework Statement
Question number 14. I figured it would have to be B because Te1=Te2. I feel like both b and c were correct. Why is it not B?
Relevant Equations
Pe=mgh
Ke=.5mv^2
image.jpg
 
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The book states the correct answer is C I chose B
 
I just figured this out by myself, thank you anyways!
 
If have close pipe system with water inside pressurized at P1= 200 000Pa absolute, density 1000kg/m3, wider pipe diameter=2cm, contraction pipe diameter=1.49cm, that is contraction area ratio A1/A2=1.8 a) If water is stationary(pump OFF) and if I drill a hole anywhere at pipe, water will leak out, because pressure(200kPa) inside is higher than atmospheric pressure (101 325Pa). b)If I turn on pump and water start flowing with with v1=10m/s in A1 wider section, from Bernoulli equation I...

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