AP Physics B 2013 FRQ's: Worked-out Solutions

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<p>Is there anybody out there who wouldn't mind working out parts of the FRQ's that you know how to do?</p>

<p>Here's the link to the FRQ's from this past year (you'll probably have to scroll down to 2013 and sign in):
<a href="https://apstudent.collegeboard.org/apcourse/ap-physics-b/exam-practice%5B/url%5D"&gt;https://apstudent.collegeboard.org/apcourse/ap-physics-b/exam-practice&lt;/a&gt;&lt;/p>

<p>Thanks so much to all who respond.</p>

2

<p>Here are my solutions for the questions; hope it helps. Feel free to comment on any mistakes you think I may have made. <a href=“2013 AP Physics B Free Response Solutions”>2013 AP Physics B Free Response Solutions;

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<p>Thank you so much!</p>

4

<p>Oh wow thank you! I feel so reassured after seeing that. I could’ve gotten a 5. I definitely screwed up the last one and the E&M one, but I’ll be on the edge of a 5 for sure</p>

5

<p>Thanks JayAyyWhy!</p>

<p>I was always wondering what the acceleration v displacement graph would look like. I drew a curve, but if I’d thought it out, I would’ve seen that a = -kx/m , so it is linear.</p>

6

<p>No problem! I wasn’t too sure about the a vs d graph initially myself, but it seemed to make the most sense. Glad you guys found it helpful</p>

7

<p>Dude Great Job!!! I noticed that you’re missing the answer to whether the electric potential was higher on the left or the right side of the wire in that magnetism question. I got that it was higher towards the left side</p>

8

<p>Thank you! I didn’t want anyone think their answer may be wrong if they saw mine when actually I wasn’t sure at all myself. I am confident with the other parts though.</p>

9

<p>How many versions of the free response were there? That was not the version I had…I only had 6 questions. Did anyone else find the MC way harder than any practice tests?</p>

10

<p>I definitely agree. I thought the multiple choice was harder than the part 2s. I took the 2004 and 2009 practice MC and it was about as hard or maybe slightly harder than the 2004, but a lot harder than the '09</p>

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<p>The MC was a lot more conceptual than usual, but I thought it was pretty average.</p>

<p>There weren’t any super weird or super hard questions, but a lot of them this time around had you deriving equations and applying concepts; more than usual, at least.</p>