"Why are you looking at me?"
"You look so familiar."
The students around Li An were all looking at him. They had a feeling that they had seen him somewhere before. Wait, they remembered. Damn it, it was that man.
"With your results, you still have the cheek to call yourself a top student? Look at Li An, the champion of the Mathematics Olympiad. Can you do it?”
"That's him. I'm good at physics. If I have the ability, I'll let him compete with me. Also, physics and mathematics are never friends.”
Then, the physics representative sitting next to Li An felt a strong sense of malice.
"I feel like you're just an ordinary person. I don't feel like you have an extra hand. Why are you so powerful? But I believe that I won't lose in physics.”
Li An clutched his stomach and said helplessly,""Actually, I ate something wrong this morning. My stomach hurts.”
Hahahaha.
" Student Li An, the exam is about to start. Please sit quietly and don't disturb the other students."
Li An nodded. When the teacher handed out the papers, Li An glanced at them. There were a total of 150 marks in the papers, and there were many multiple-choice questions. Physics multiple-choice questions were interesting. If you chose too many, you wouldn't get a mark. If you chose too few, you would get half the mark. One question would get you six marks. It could be said that it was unstable. It was definitely a subject that would cause big problems.
Li An took a quick glance at it. Physics was indeed much better than mathematics. At least there was a picture or something. Look at mathematics and give a picture. You're thinking too much. A bunch of words and a few numbers. You can calculate them yourself.
Electromagnetic drive was a new driving method related to the launch of artillery shells and the launch of aircraft carriers. The principle of electromagnetic drive was as shown in the figure. When a direct current was suddenly added to a fixed coil, the ring placed on the coil could be ejected. The same fixed coil had three rings of the same shape, size, and cross-section, made of steel, aluminum, and silicon. When the current is suddenly connected, the thrust they receive is F1, F2, and F3. If the gravity of the ring is negligible, the following statements are correct:
A．F1F3B．F2F1
C．F3F1D．F1=F2=F3
Many physics questions were based on reality. This was also the science question that was closest to reality. It itself contained a lot of knowledge and common sense. If he said something about progress and learned physics well, it would not be a problem to change light bulbs at home.
Isn't this just choosing A?
After finishing the first question, Li An felt his stomach ache again. Damn it, what did he eat? Why did his stomach hurt?
A few physics teachers walked around Li An and looked at him. Li An said,""Teacher, I want to go to the toilet."
"No, this is an exam, a competition. You have to be serious.”
"Alright then," Li An said helplessly.
Then, Li An took a deep breath and quickly answered the questions.
Three multiple-choice questions in one minute, and the answers were written directly.
This…this…how could it be so fast? Doesn't this child need to think?
Then, it was the fill-in-the-blank question and the calculation question. However, Li An did not even use a piece of papyrus paper. The answer was written directly on the paper.
"Damn it, this little rascal actually used optical technology and even a wave-length. Yang Ning is just a useless physics teacher who only knows how to pick up girls all day long. Optics is such an obscure thing, but he doesn't even draw the main points. What's the use of this guy?”
Li An looked at the big questions that followed. Each question had thirty marks. These questions were not free.
1 mole of an ideal gas goes through a cycle of 1 -2-3-1, as shown in the p-T diagram. The process 1 -2 is an isobestic process, and the process 3-1 is a segment of a straight line through the origin of the p-T diagram. The equation describing the process 2-3 is c1p2 c2p =T, where c1 and c2 are undetermined constant, p and T are the pressure and absolute temperature of the gas, respectively. It is known that the pressure and absolute temperature of the gas in state 1 are p1 and T1 respectively. The absolute temperature of the gas in state 2 and the pressure and absolute humidity of the gas in state 3 are T2, p3 and T3 respectively. The gas constant R is also known.
(1)Find the values of the constant c1 and c2;
(2)Show the process l-2-3-1 on the p-V diagram.
(3)Find the total work done by the gas in one cycle.
It had appeared. It had really appeared. Commonly used things had appeared. The similarities between physics and chemistry had appeared. Moore had created many things. In the end, Moore even used his name to name them. However, as long as it was a calculation question, it was definitely not a problem in Li An's eyes.
Let the pressure be p, and then draw the graph.
Let's go. I'll give you three sets of quality.
Not enough? A few more, a low-quality five more. Damn it, my stomach hurts. Damn it, let's fight.
Li An used the thinking of advanced mathematics. The teacher said that during the competition, the mathematics examination could not use the university mathematics thinking, but he did not say that the physics examination was not allowed.
F * ck it, just do it. There's no time. It's time to launch.
W=―(p3―p1)(V2―V1)
Done, done.
"Teacher, hand in your paper." Li An stood up.”
The teacher said," Li An, sit down. Even if you don't want to, you have to sit to the end. Don't hand in your paper so early. This isn't a math test. You don't have the habit of handing in your paper early."”
" Teacher, I'm really done," Li An said." I'm in a hurry to go to the toilet."“
The teacher walked over and picked up the paper in Li An's hand.""You brat…I told you, you can't…Damn it, what's going on?”
After Li An handed the paper to the teacher, he picked up the calculation paper on the table and left.
Everyone in the examination hall stopped. At this moment, everyone looked at the calculation paper in their hands. The man's calculation paper was white and had not been used. Their own calculation paper was not enough.
Damn it, how could he bully people like this?
"Teacher, did he really do everything right?”
A student who had just finished answering two multiple-choice questions asked carefully. This top student from Suhang Second High School, the hope of the entire village, asked the question that he was most afraid of and did not want to ask.
Could it be, could it really be so?
The teacher silently looked at his watch and said,""Fifteen minutes, four hours of paper. He's done. Forget it, I won't say it anymore. I'm afraid it'll hurt your feelings.”
Teacher, you're making us feel even worse.
Clang.
The teacher silently picked up his phone and said,"Math team, I'm irreconcilable with you."”
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