<p>So I’m trying to study using the 2004 Mech and E&M released MC questions but does anyone have a version that doesn’t have diagrams and graphs that are all blacked out?</p>
<p>[On-Line</a> Quizzes](<a href=“http://www.shs.d211.org/physicsd211/quizzes.htm]On-Line”>http://www.shs.d211.org/physicsd211/quizzes.htm)</p>
<p>nice questions here</p>
<p>A mass M suspended by a spring with force constant k has a period of T when set into oscillation on Earth. Its period on Mars, whose mass is 1/9 and radius is 1/2 of Earth, is most nearly …</p>
<p>A) 1/3 T
B) 2/3 T
C) T
D) 3/2 T
E) 3 T</p>
<p>Can someone tell me the answer?</p>
<p>^The period of the spring depends only on k and m. Ask yourself, what happens to these two quantities when the spring and mass are moved to Mars?</p>
<p>I think it’s the SAME!</p>
<p>its a spring!!! arrrggh.
my bad this was a stupid question…I was thinking oscillator and used the eqn T = 2pi sqrt(l/g)</p>
<p>misread the question. wow…</p>
<p>Yeah it’s the same.</p>
<p>Hey guys, I am reeeally suck on this question.</p>
<p>"If two droplets happen to combine into a single larger droplet, the new potential V at the surface of the larger droplet is most nearly equal to?</p>
<p>a) 3V initial
b)2V
c) 2/2^(1/3) V
d) 2^(1/3) V
e) V</p>
<p>When calculating equivalent resistance with a circuit composed of only resistors and a charged capacitor that is in parallel with another resistor, how do you find the total energy dissipated by a single resistor?</p>
<p>I’d help you guys out with E&M if I could, but I’m not taking it. Hopefully someone will answer your questions and one of mine:</p>
<p>What’s the significance of having a negative potential energy (or a negative total energy)? And what does it mean if potential energy for an object is always negative?</p>
<p>Energy = Power * time = I^2 * R * time</p>
<p>A negative total energy implies that energy was lost in the system. </p>
<p>For mechanics, this is an awesome review:</p>
<p><a href=“http://kmhs.typepad.com/files/ap-physics-c-exam-review-1.doc[/url]”>http://kmhs.typepad.com/files/ap-physics-c-exam-review-1.doc</a></p>
<p>Just change the “1” to “2”, “3”, and “4” later to get the other 3 parts, because the site doesn’t really have navigation.</p>
<p>When drawing force diagrams, say it’s an object at rest on a horizontal surface: if I draw the Normal force starting at the bottom of the object, how should I draw the Force of gravity to make it clear that gravity “starts” at the middle of the object?</p>
<p>ok F=10 N
M=1kg
its a problem where multiple blocks are being pulled
is a block
[M]–[2M]–[3M]–>F
find tension in each rope and acceleration of set of masses
answer is acceleration is 1.7 and T1 is 1.7 and T2 is 5.1
when i do it a comes out to be 1.33 one t is 4 and the other is 1.33</p>
<p>how do you do this?</p>
<p>F = m_tot * a, so a = F/(m+2m+3m) = 10 / (6) = 1.6666 = 1.7 N</p>
<p>Then just do Newton’s second law for block 3, then block 2 (Or, do block 1, then block 2).</p>
<p>Block 3:
F_net = ma
F - T2 = 3Ma
T2 = F - 3Ma = 10 - 3(10/6) = 10 - 5 = 5 N</p>
<p>Block 2:
F_net = ma
T2 - T1 = 2Ma
T1 = T2 - 2Ma = 5 - 2(10/6) = 5 - 3.3333 = 1.6666 = 1.7 N</p>
<p>I have a feeling I’ll definitely fail this test on monday :(.</p>
<p>I’m thinking it’s either going to be easy, or impossible.</p>
<p>Guys, I have a big favor to ask of you! Is anyone taking the 2004 MC for practice? I really need explanations for #'s 11, 12, 14, 17, 19, 32, 33, 34. I really did bad on this exam, and I could use the help!</p>
<p>Thanks so much!</p>
<p>I really need the 2004 MC exams for both tests, since mine have these weird black boxes over the graphs and diagrams. I can give you the released FRQs and MCQs and answers for any other year</p>
<p>anyone have a good site with notes on circuits? I’m having trouble analyzing the equivalent circuits with capacitors</p>
<p>thank you chem. I made a ■■■■■■■■ mistake…for some reason i thought 10/6 is 1.33…</p>