, the fastest update of the protagonist Luo Ran Lanxing, the strongest female academic!

Tick ​​tock...tick tock...tick tock...

The entire examination room could hear the sound of needle drops, as if it had fallen into a still space and time.

Three-star problem! In the entire examination room, except Luo Ran, everyone had only heard of it and had never seen it with their own eyes.

At this moment, they finally met. But the question knew them, but they didn't know the question at all!

"What kind of question is this? Is it really for high school students?"

"It's so difficult. I can't even understand the question...I've always been good at Chinese!"

"It's really abnormal, a full 20 points! I can't do it, I won't give up, my mentality will explode!"

"..."

If the examination room could talk, it would definitely be full of people right now! Of course they couldn't say these words out loud, they could only curse secretly in their hearts.

"Not bad, it's finally interesting!"

There was a smile on Luo Ran's lips. The difficulty of this extended question was finally enough to arouse her interest.

With full concentration and concentration of thoughts, Luo Ran wrote the first word.

"untie!"

Immediately afterwards, it seemed that the only sound left in the entire examination room was the sound of her writing. The huge classroom now became a stage for her alone!

"Oh my God, what's going on with that female classmate? Does she know this question?"

"Hmph, someone who is so pretentious that he almost missed the math exam will definitely not do it!"

"Huh? It turns out to be Luo Ran. Well, if Luo Ran can do it, it wouldn't be surprising."

"..."

In the examination room, other candidates listened to the source of the sound. They immediately knew that the sound came from Luo Ran, and couldn't help but be surprised in their hearts.

As for the classmates in the same class as Luo Ran, they naturally knew Luo Ran. No one would be surprised that Luo Ran could solve this problem.

They know that if there is still one person in the examination room who can solve this question.

Then, this person will only be Luo Ran, which stems from their trust in this year's Physics Olympiad champion!

At this moment, Luo Ran drew a circle with his freehand on the draft paper. Although it was not perfect, it was enough to see the essence clearly.

"For the first question, I can choose one of the stars as the research object. According to Niu Er and the law of universal gravitation, we can know:

[f1=gm2/r^2,f2=gm2/(2r)^2,f1f2=mv^2/r....]"

"For the second question, first assume that the distance between stars is r, then it is easy to know:

[The radius of the circular motion of the three stars is r=r/2/cos30°. The centripetal force required for the circular motion of the star is,

In this question, it is provided by the combined force of the gravitational force of the other two stars.

Therefore, the resultant force f=2gm2/r^2*cos30°, that is, f=m4π^2/t^2*r...】"

Ten minutes later, Luo Ran put down her pen. She had already written down complete ideas and formulas for solving the problem.

The next step is to plug in the data and perform the final calculation to get the result, but there is no exact data in this question.

All known conditions were replaced by their physical symbols, and Luo Ran was not surprised.

When it comes to astrophysics, the data must be astronomical, and the amount of data is extremely huge.

Without the computing power of supercomputers, the human brain alone cannot figure out the final answer.

Luo Ran is not sure whether her current brain can perform calculations? But even if it could, she would not try.

Because, I will definitely get dizzy! That’s right, I don’t want to get dizzy, so Luo Ran doesn’t count, he’s just so willful!

With five minutes left before 16:00, other candidates in the examination room finally started writing!

"No, you can't hand in a blank paper!"

"I probably won't get a single point just for writing the word "Explanation", but I really don't know how!"

"A dead horse is a living horse. I'll write down a few physical formulas and try my luck..."

"..."

"Dingle bell——"

The end-of-examination bell finally rang, and the Comprehensive Science Examination was over. This also meant that the city’s joint model-model examination had come to an end.

Class 30, in the classroom.

There is still an hour before dinner time, which is an hour without any pressure.

Even Liu Yu, who has always been strict, tacitly chose to turn a blind eye at times like this.

She didn't come to the class to enforce discipline, as long as the students didn't tear down the classroom.

Relaxation after a stressful exam is essential. People are like a spring and cannot always be tightened.

"Boss, have you completed the expansion questions this time...?"

Shu Ling touched Luo Ran with her arm on the desk and asked in a very low voice.

"Yeah." Luo Ran smiled lightly and looked out the window, seeming to be thinking about something.

Except for the last extended question, the rest of the physics questions in this comprehensive science course can be said to be very simple.

Even Shu Ling, who was very unsure about physics, answered all the questions.

Although it is unknown whether it is right or wrong, if it is completed, it is a kind of success.

Senior high school teaching building, class teacher's office.

"It's strange, the mock exam is over, why are these naughty kids so quiet?"

"That's not right. In the past, if you finished the exam, you would be in trouble."

Liu Yu was sitting on the computer chair, sipping her beauty tea. She hadn't heard any movement from the corridor for a long time, and she couldn't help but be surprised.

"Hey, Teacher Liu, it's really strange when you put it like that. What happened to these bastards today? Did they change their gender?"

Yu Nan, the head teacher of Class 4, put down the lesson plan in his hand and said doubtfully.

Immediately, the other class teachers nodded slightly, with particularly confused expressions on their faces.

"Crunch!"

Liu Yu was the first to open the office door, followed immediately by the head teachers of the remaining nine classes.

After a few breaths, Liu Yu walked into the class. The classmates just looked up at her and then lowered their heads.

The atmosphere is obviously not right!

"Students, one-size-fits-all exams are a thing of the past. No matter how well you do in the exam, it doesn't matter."

"When it's cold and the sky is cold, it's hard for you and others! The exam is hard, not just for you, but for everyone."

"Next, keep working hard, there will be a second model in a month!"

Liu Yu didn't say it was okay, but when he mentioned the second model, the atmosphere in the classroom suddenly dropped a bit...

Seeing this, Liu Yu had no choice but to temporarily give up her plan to continue to encourage her. The current situation can only be healed by time.

After Liu Yu left the classroom, she just returned to the door of the office when she saw Ma Bingdao running towards her in a hurry.

"Teacher Liu Yu! For this comprehensive science exam, the city has temporarily arranged a physics expansion question!" Dafeng Novel

Ma boldly and rarely took his thermos cup with him. He looked solemn and spoke hurriedly.

"Yes, I know." Liu Yu replied slowly. Although she was a little surprised by this incident, it was still within the acceptable range.

In Liu Yu’s view, this expansion question is just to expand students’ thinking.

Even if you can't do it, it doesn't matter. Because this kind of question will never appear in the national unified examination.

However, what Ma Daring said next was completely beyond Liu Yu's expectations:

"Teacher Liu Yu, things are not as simple as you think!"

"You may not know yet! This extended question appeared in major high schools across the country almost at the same time!"

"My classmate in D City told me that he was still in class at the time. Suddenly, he received a notice from the school to temporarily organize students to do this question!"

"Not only their class, but all the senior high school students in their school participated in this problem-solving!"
Chapter completed!