How Does Energy Conservation Apply to MCAT Physics Problems?

[Nick tringali]

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

 

[Nick tringali]

The book states the correct answer is C I chose B

 

[Nick tringali]

I just figured this out by myself, thank you anyways!