Scholar’s Starry Sea

Liu Yushan, who was in the office handing over papers, saw Wu Bin coming in, so he stopped writing and said, “I have any questions for tomorrow, I am busy here.”

“Oh, it’s okay, Teacher Liu, you are busy, I’m here to find Teacher Cai.”

Liu Yushan was taken aback after listening, and felt a little disappointed in his heart.

At this moment, Cai Guoping, who was looking at the playground thinking about his life, heard Wu Bin calling his name, and turned around and said, “Oh, when I finally remembered that you can only take a zero test in Physics.”

“This…Teacher Cai, I will work hard next time.” Wu Bin, who was stabbed suddenly, couldn’t fight back. After all, he just handed in a blank paper to the teacher in the Physics class this morning. .

“It’s good to have this thought, but what do you plan to ask at the end of get out of class time, study in the evening, read the book, and come back at noon tomorrow.” After Cai Guoping finished speaking, he made a drive away gesture to Wu Bin.

“Teacher Cai, I’m not here to ask questions, I’m here to ask you if there are any papers for the first year of high school, any papers will do.”

“Papers? You? Why do you want papers?”

“I want to do it.”

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

“Hey… look down on Physics, don’t you!”

Cai Guoping was smirked by Wu Bin. He was obviously the kid who tested both Mathematics and Physics, but when he came to ask Mathematics It’s all about basic questions, but Physics is good, so I just have to do the papers.

“No, teacher, you misunderstood, I…”

“Stop talking, come, come here, I will ask you a few questions, and I will help you if you get the right answer Find the paper.” Cai Guoping interrupted Wu Bin and beckoned to him.

Wu Bin is sore now. Just now, when my brain gets hot, I asked for papers, but he didn’t expect this in the eyes of the teacher. He wanted to ascending to the skies with a single leap. what.

But now I have done everything, so I have to brace oneself to continue.

“Then Teacher Cai…Don’t ask too hard.” Wu Bin walked to Cai Guoping and said cautiously.

“Okay, just ask you something basic.” Cai Guoping said after thinking about it, and asked: “The taxi fare is one yuan per kilometer. Each kilometer here refers to displacement. Is the sentence correct?”

“No.” Wu Bin shook his head.

“Why is it wrong?”

“Because if I get in a taxi and go around the city, the displacement will be 0, but if I don’t pay, I should be caught by the driver. Killed.”

“pu.” The creature teacher Jiang Lan sitting in front of Cai Guoping couldn’t help laughing.

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

“The journey should be.” Wu Bin tried his best to be a little humble.

“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 sentence correct?”

“No. , The end of the first second and the beginning of the second second are at the same moment.”

“Oh, I read the basics, so let’s do a question again.”

“Teacher Cai …Don’t you just ask a few questions if you’re right.” At this moment, Wu Bin already understands that this teacher probably won’t stop before stumping him.

“Let you do it, there are so many words.” After Cai Guoping finished speaking, he wrote a question by hand directly, “Come on, just this question, do it.”

In the game, the athlete kicks the ball out in the horizontal direction at a speed of 12ms. The movement of the football on the ground can be regarded as a uniformly decelerated linear movement with an acceleration of 2ms2. Find: (1) the farthest distance x of the football on the ground, (2) the speed of the football at the end of 7s v.

“…”

Wu Bin is also convinced. The teacher is self-willed. Give the question on the spot, amazing!

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 smoothly. Passed the black pen in hand to Wu Bin.

“Thank you Teacher Cai.”

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

Solution: (1) It is known that the initial velocity is v0=12ms, the acceleration a=-2ms2, and the final velocity is: v=0

From the square of v-the square of v0=2ax Obtained: x=v squared of 2a

“Wait…you really know how to do it?”

Seeing Wu Bin really starting to solve the problem, Cai Guoping was a little confused. Although this question is not too difficult, it is definitely not something a duck egg player like Wu Bin can do.

“Well, yes.” Wu Bin nodded.

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

“I only started self-study recently.”

“Self-study? I…you, hey, OK, tell me, how far have you been to self-study?”

“Senior grade Physics, almost…you know a little bit.”

“Okay, the tone is big enough!”

Wrong! Wu Bin felt that he was humble enough, but didn’t expect still provoke this big man.

At this time, Chen Fang just entered the office, and when he saw Cai Guoping excited, he asked: “What’s wrong with Teacher Cai? What’s wrong with Wu Bin?”

“Teacher Chen, you It’s just right. The next class 3 class is yours. Can this kid just stay in the office?” Cai Guoping looked at Chen Fang and asked.

Chen Fang was taken aback for a moment, and then nodded: “Well, he won’t listen to me anyway, but Teacher Cai, what are you going to keep him for?”

“This kid said that he has fully understood the Physics of the first year of high school. I have to try to see if he understands.”

“Ah!? I am not, I don’t…”

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At this moment, Wu Bin feels that teachers are unreasonable!