A sea of stars for top students

Liu Yushan, who was grading papers in the office, saw Wu Bin coming in, so he stopped writing and said, If you have any questions, ask them tomorrow. I'm busy.

Oh, it's okay. Teacher Liu, you are busy. I'm here to see Teacher Cai.

Liu Yushan was stunned after hearing this, and felt a little disappointed in his heart.

At this moment, Cai Guoping, who was looking at the playground and thinking about life, heard Wu Bin calling his name, turned around and said, Oh, I finally remembered that you can only get zero marks in physics.

This...Teacher Cai, I will work hard next time. Wu Bin, who was suddenly stabbed, could not fight back. After all, he had just handed the teacher a blank paper in physics class this morning.

It's good that you have this intention, but what are you going to ask after class at this time? Study in the evening and read a book carefully. Come back at noon tomorrow. After Cai Guoping finished speaking, he made a driving gesture to Wu Bin.

Teacher Cai, I'm not here to ask questions. I'm here to ask if you have any papers for the first year of high school. Any paper will do.

Paper? What do you want the paper for?

I want to do it.

Huh? All the teachers in the office who knew Wu Bin looked at him immediately.

Hey... you look down on physics, don't you?

Cai Guoping was laughed out of Wu Bin's face. He was obviously a kid who failed in both mathematics and physics, but when he came to ask questions about mathematics, he always asked basic questions. Physics was better, and he had to take the test paper directly.

No, teacher, you misunderstood, I...

Stop talking, come on, come over. I'll ask you a few questions. If you answer them correctly, I'll help you find the paper. Cai Guoping interrupted Wu Bin and waved to him.

Wu Bin's balls started to hurt now. He had asked for the paper just now when his brain was hot, but he didn't expect that in the eyes of the teacher, he just wanted to reach the sky in one step.

But now that I have done everything, I have no choice but to bite the bullet and continue.

Teacher Cai... don't ask too difficult questions. Wu Bin walked up to Cai Guoping and said cautiously.

Okay, let me ask you some basic questions. Cai Guoping thought for a while and asked, The taxi charging standard is one yuan and six per kilometer, and each kilometer here refers to the displacement. Is this correct?

No. Wu Bin shook his head.

Why is it wrong?

Because if I get in a taxi and drive around the city, the displacement will be 0, but if I don't pay, I will be beaten to death by the driver.

Pfft. Jiang Lan, the biology teacher sitting in front of Cai Guoping, couldn't help laughing after hearing this.

Seriously, what does each kilometer mean? Cai Guoping continued to ask.

It should be about the distance. Wu Bin tried his best to be modest.

Well, let me ask you again, the second second refers to the period from the end of the first second to the beginning of the second second. Is this correct?

No, the end of the first second and the beginning of the second second are the same moment.

Oh, I've read some basics. Let's do another question.

Teacher Cai... I just asked a few questions as promised. At this moment, Wu Bin already understood that the teacher would not stop until he was stumped.

Just do it as you are told. There are so many words to say. After Cai Guoping finished speaking, he directly wrote a question with his freehand, Here, just do this question.

In a football match, the player kicks the ball in the horizontal direction at a speed of 12m/s. The movement of the football on the ground can be regarded as a straight line motion with uniform deceleration, and the acceleration is 2m/s2. Find: (1) the farthest distance x that the football moves on the ground, (2) the speed v of the football at the end of 7 seconds.

...

Wu Bin was also convinced. The teacher was so willful that he gave questions on the spot. That was awesome!

After reading the topic for a while, Wu Bin reached out to Cai Guoping and said, Teacher Cai, please lend me a pen.

Here, take it. Cai Guoping handed the black pen in his hand to Wu Bin.

Thank you, Teacher Cai.

After thanking the teacher, Wu Bin bent down and began to solve the problem.

Solution: (1) It is known that the initial velocity v0=12m/s, the acceleration a=-2m/s2, and the final velocity is: v=0

From v squared - v0 squared = 2ax, we get: x = v squared divided by 2a

Wait...can you really do it?

Seeing Wu Bin really starting to solve the problem, Cai Guoping was a little confused. Although this problem was not difficult, it was definitely not something that a duck-egg player like Wu Bin could solve.

Yes, yes. Wu Bin nodded.

Then you keep handing in blank papers? Cai Guoping almost wanted to take a book and knock it at Wu Bin.

I just recently started teaching myself.

Self-taught? I...you, hey, okay, tell me, how far have you taught yourself?

First year of high school physics, almost... I probably know a little bit about it.

Okay, your tone is loud enough!

What an injustice! Wu Bin felt that he was humble enough, but he didn't expect that he would still offend this big boss.

At this time, Chen Fang happened to enter the office. Seeing Cai Guoping's excited look, she asked, What's wrong with Teacher Cai? Did Wu Bin do something bad?

Teacher Chen, you came just in time. The next class for Class 3 is yours. Can you just let this kid stay in the office? Cai Guoping looked at Chen Fang and asked.

Chen Fang was stunned for a moment, then nodded: Okay, okay, he won't listen to my lecture anyway, but why do you want to keep him, Mr. Cai?

This kid said he has completely understood the physics taught in the first year of high school. I want to test whether he understands it.

Ah!? I'm not, I didn't...

At this moment, Wu Bin felt that the teachers were unreasonable!