<p>@hotinpursuit: I agree with both of those.</p>
<h2>Consolidated List</h2>
<p>v/2L is fundamental frequency for string fastened at two ends
Resonance was an answer
For the graph given about a wave:
–period = 0.01s
–amplitude = 4
–wavelength = 6
For the graph given about potential energy versus distance:
–potential energy at x1 = a
–kinetic energy at x1 = b
75) B0 or R isnt necessary for emf *<em>(split)
beta particle emission question: nuclear mass stays the same
radioactive decay with half lives after 90 days = 8
Telephone messages —> visual images on screen = fiber optic cables (Confirmed)
students record distance travelled: 10.77 is average velocity / 13.4 m in fifth second (</em>split)
two magnets are next to eachother:
–1st question: either one or both are permanent.
–2nd question: both are permanent
Q = cv = 20x10^6
for 73) current is same (E) I1 = I2 = I3 (current stays same in series circuit)
for 74) use resistance eqn. R = PL/A answer was r3<r1<r2
for the beginning like numbers 6-8 given graphs:
–relationship between mass and energy = E = mc^2 = straight line (B)
–relationship between freq. and energy = E=hf = straight line (B)
–intensity of monochromatic blue light (D which is straight line with positive x intercept) (Confirmed)
optics question with converging lens: same size upside down
for 72) f/cos thetha
71) F = 40 N
First few questions:
–1) momentum of II is greater
–2) momentum is same
–3) momentum is same
optics question with plane mirror at an angle: image is virtual and not inverted
Least affects static shock when getting out of car: whether the engine is on (Confirmed)
Pulley with 2 masses of 50 N each and in equilibrium: Force on the rope is 50 N
The efficiency one being 40% (500K and 300K)
B for the field line diagrams w/ two opposite charges
30m for dropping something off a cliff
“II only” for the one with large and small boxes with temperature transfer</p>
<p>For the radioactive decay one, I got 16.</p>
<p>no it was 8 because 64/2^3 = 8</p>
<p>It was 8. The original thing was 64. Three half-lives and you get 8.</p>
<p>Yup half life was 30 days. After 90 days u hav 3 half lives. 64 –> 32 –> 16 –> 8</p>
<p>Just remembered sum mor. Linear expansion problem. Temp raised from 20 to 22 over to 20 to 30. deltaT raised 5x, so L raised 5x, and the answer was 0.015 cm???</p>
<p>And in the beggininng where u had 5 diagrams of a satellite orbitting a planet where the satellite and radius were different, what did you put? there wer 2 questions i remember, first asked which has greatest gravitational force, other one i cant remmber
I think I put E for both. m = 2M and r = R</p>
<p>
</p>
<p>YES! I got 0.015cm. For the two satellite questions I got E both times (the one with mass 2m and radius R)</p>
<p>NOICE
Man I love u evillion</p>
<p>Also the gold foil one was the nucleus was smaller than the atom.</p>
<p>Got that too about Rutherford Experiment. </p>
<hr>
<h2>Consolidated List ~37/75 Questions (Half the test)</h2>
<p>v/2L is fundamental frequency for string fastened at two ends
Resonance was an answer
For the graph given about a wave:
–period = 0.01s
–amplitude = 4
–wavelength = 6
For the graph given about potential energy versus distance:
–potential energy at x1 = a
–kinetic energy at x1 = b
75) B0 or R isnt necessary for emf *<em>(split)
beta particle emission question: nuclear mass stays the same
radioactive decay with half lives after 90 days = 8
Telephone messages —> visual images on screen = fiber optic cables (Confirmed)
students record distance travelled: 10.77 is average velocity / 13.4 m in fifth second (</em>split)
two magnets are next to eachother:
–1st question: either one or both are permanent.
–2nd question: both are permanent
Q = cv = 20x10^6
for 73) current is same (E) I1 = I2 = I3 (current stays same in series circuit)
for 74) use resistance eqn. R = PL/A answer was r3<r1<r2
for the beginning like numbers 6-8 given graphs:
–relationship between mass and energy = E = mc^2 = straight line (B)
–relationship between freq. and energy = E=hf = straight line (B)
–intensity of monochromatic blue light (D which is straight line with positive x intercept) (Confirmed)
optics question with converging lens: same size upside down
for 72) f/cos thetha
71) F = 40 N
First few questions:
–1) momentum of II is greater
–2) momentum is same
–3) momentum is same
optics question with plane mirror at an angle: image is virtual and not inverted
Least affects static shock when getting out of car: whether the engine is on (Confirmed)
Pulley with 2 masses of 50 N each and in equilibrium: Force on the rope is 50 N
The efficiency one being 40% (500K and 300K)
B for the field line diagrams w/ two opposite charges
30m for dropping something off a cliff
“II only” for the one with large and small boxes with temperature transfer
For the 5 diagrams as choices with a satellite orbitting a planet. Mass and Radius varied.
–First problem, asked which had greates grav. force = answer E (m=2M r=R)
–Second problem = E (m=2M r=R)
Linear Expansion problem:Temp raised from 20 to 22 over to 20 to 30. deltaT raised 5x, so L raised 5x, and the answer = 0.015 cm
Rutherford Experiment problem: The size of nucleus was significantly smaller than that of the atom</p>
<p>Does anyone remember what they put for the gravity in the elevator one? I think I only put “Statement I”, because of Newton’s Third Law.</p>
<p>for the 3 resistors on a wire one, it asked order of least resitivity to highest wasnt it: 3>1>2? (not sure if those were the numbers but it was the skinnest>little fatter>fattest>)</p>
<p>Yes the elevator one was “I only”</p>
<p>And @Hot, I got 2LV for the standing wave because 1/f=n/2L–>f=2LV for n=1…</p>
<p>for the 2 questions with the magnetic bars i think the 2nd one is wrong</p>
<p>the first one was either or both, and for the end it was eithe or both again</p>
<p>(Ivy)
I left that one blank. It was number 68 or so and I had no time to read through all that ;)</p>
<p>(born4soccer)
Yea I think you’re right. I’ll switch the signs.</p>
<p>(willgo)
Can you explain?</p>
<p>(Ivy)
f = v/lambda and lambda = 2L so f = v/2L
You used a wrong eqn I think. </p>
<hr>
<h2>Consolidated List ~37/75 Questions (Half the test)</h2>
<p>v/2L is fundamental frequency for string fastened at two ends
Resonance was an answer
For the graph given about a wave:
–period = 0.01s
–amplitude = 4
–wavelength = 6
For the graph given about potential energy versus distance:
–potential energy at x1 = a
–kinetic energy at x1 = b
75) B0 or R isnt necessary for emf *<em>(split)
beta particle emission question: nuclear mass stays the same
radioactive decay with half lives after 90 days = 8
Telephone messages —> visual images on screen = fiber optic cables (Confirmed)
students record distance travelled: 10.77 is average velocity / 13.4 m in fifth second (</em>split)
two magnets are next to eachother:
–1st question: either one or both are permanent.
–2nd question: both are permanent
Q = cv = 20x10^6
for 73) current is same (E) I1 = I2 = I3 (current stays same in series circuit)
for 74) use resistance eqn. R = PL/A answer was r3(thinnest)>r1(medium)>r2(fattest)
for the beginning like numbers 6-8 given graphs:
–relationship between mass and energy = E = mc^2 = straight line (B)
–relationship between freq. and energy = E=hf = straight line (B)
–intensity of monochromatic blue light (D which is straight line with positive x intercept) (Confirmed)
optics question with converging lens: same size upside down
for 72) f/cos thetha
71) F = 40 N
First few questions:
–1) momentum of II is greater
–2) momentum is same
–3) momentum is same
optics question with plane mirror at an angle: image is virtual and not inverted
Least affects static shock when getting out of car: whether the engine is on (Confirmed)
Pulley with 2 masses of 50 N each and in equilibrium: Force on the rope is 50 N
The efficiency one being 40% (500K and 300K)
B for the field line diagrams w/ two opposite charges
30m for dropping something off a cliff
“II only” for the one with large and small boxes with temperature transfer
For the 5 diagrams as choices with a satellite orbitting a planet. Mass and Radius varied.
–First problem, asked which had greates grav. force = answer E (m=2M r=R)
–Second problem = E (m=2M r=R)
Linear Expansion problem:Temp raised from 20 to 22 over to 20 to 30. deltaT raised 5x, so L raised 5x, and the answer = 0.015 cm
Rutherford Experiment problem: The size of nucleus was significantly smaller than that of the atom
Elevator problem: I only</p>
<p>Also, what did you guys put for the wave generator and what happens to the wavelength of the waves as it gets shallower…I said they remained the same because the medium didn’t change, not sure though. For another, do you remember putting work as the only nonvector quantity. Also, I believe there was a statement I,II,III one with “which of these could make the net force zero with three forces?” I got “vector sum=0, and that some could be in the same direction”, but not that they could be the same magnitude…</p>
<p>Though now that I’m thinking about it…all three could work…And for “which waves can interfere?”, did you get “Statements I,II, III”?</p>