I failed a course, and the system became my study supervisor.

Chapter 45 Simulated Confrontation (Part )
On the morning of May 15th, Xu Ling and his team arrived at the report room on time.

However, the layout of the report room surprised several people.

The position of the podium has not changed, it is still in the center of the front of the classroom.

But the original desks had been removed, replaced by two long competition seats. If you can't imagine it, you can refer to the competition seats at a debate competition.

Dozens of chairs were placed in the remaining empty space in the classroom.

At this time, many teachers and professors were already sitting on the chairs.

I thought it was just a small thing, but I didn't expect it to be so formal.

Everyone in the group suddenly became nervous, even the experienced Qin Qin.

"Teachers and students, welcome to watch our team practice match for the Physics Academic Competition. I won't go into the details of the rules, but the competition will officially begin in ten minutes."

Zeng Boyuan stood in the center of the podium and read a brief opening speech.

"Are you that nervous?" Qin Qin teased.

Because at this time Xu Ling's legs were shaking uncontrollably.

"Isn't it the same for you?"

Xu Ling looked at the beads of sweat on Qin Qin's forehead and responded unhappily.

……

After some banter and joking, the group members were not so nervous anymore, and instead felt a little expectant and excited.

"Please take your seats, both teams! The competition is about to begin!"

At this time, Zeng Boyuan said loudly.

After both groups of students sat down, Zeng Boyuan continued:
"In this competition, the affirmative team is Group 1, led by Yu Wenkai, and their report is titled "The Table Tennis Rocket Problem." The negative team is Group 2, led by Xu Ling. The commentary team consists of myself and Teacher Liu Chunlin.

Now, please allow the affirmative side's spokesperson, Jiang Yuchen, to present the affirmative side's report. Time limit: ten minutes."

The PPT was already prepared on the screen, and Jiang Yuchen immediately began his speech:

"Hello, teachers and students from the opposing team. I am the spokesperson for the affirmative team. The following is our report on the ping pong rocket problem.

......"

Xu Ling listened very carefully. He found that Jiang Yuchen's speech was not much different from the last report, because Xu Ling could directly feel the familiarity.

Of course, this is not his focus. What he is concerned about is whether the theoretical analysis of the affirmative side is completely correct, or whether there are some omissions in the details.

However, the other party's report was extremely complete and logical, and Xu Ling couldn't find any loopholes.

Is there really no problem?
Xu Ling kept asking himself.

The other members of the second group also had frowns on their faces and serious expressions.

There can't be no problems!
Xu Ling kept giving himself psychological hints.

At the same time, try to think about the problem from a more detailed perspective.

However, ten minutes passed in a flash.

"time up!"

"The opposing side, please ask questions to the affirmative side. The time limit is three minutes."

Zeng Boyuan announced in a deep voice and pressed the timer at the same time.

Although Xu Ling didn't find the problem, he still had to say it.

"Hmm...my friend, when you calculated the velocity field of the ping-pong ball, did you consider the velocity increase caused by the wave-flow focusing effect?"

Xu Ling was a little nervous and his speech was a little unfluent.

"Yes, it's on this page of the PPT." Jiang Yuchen said, turning to the designated location.

"Then may I ask the other students, have you considered the deflection of the jet? How did you come up with the correction term?"

Xu Ling continued to ask, still feeling uneasy.

"Yes, it's on this page of the PPT. Please take a close look at it."

Jiang Yuchen's tone was calm.

How to do?
Both problems were easily resolved, and it seemed that he had not listened carefully to their report. Xu Ling suddenly became a little flustered.

Is there anything else I've forgotten?
Xu Ling's brain was working rapidly.

"One minute left!"

Zeng Boyuan made a reminder.

boom!
The sound of this reminder was like thunder exploding in Xu Ling's mind.

Xu Ling was completely confused and his mind went completely blank.

At this moment, realizing something was amiss, Qin Qin immediately stood up and asked, "Excuse me, students on the other side, when you were discussing the movement of a ping-pong ball through the air, did you consider the issue of water sticking to the ball and causing a change in mass?"

Xu Ling had discussed this issue in the group, but he unexpectedly forgot it at the critical moment.

"We didn't take this into account because the mass of the little water that gets on is so small it's negligible."

Jiang Yuchen responded quickly.

"Student, I can tell you responsibly that this mass cannot be ignored. According to the International Table Tennis Federation's standards, the mass of a standard ping-pong ball is 2.7g, and the mass of the water it touches cannot be much less than this number."

Qin Qin spoke with great force.

As soon as he finished speaking, a hint of panic immediately appeared in the competition area of ​​Group 1. The players sitting there looked at each other and whispered to each other from time to time.

Without waiting for Jiang Yuchen to explain, Zeng Boyuan announced the end of time.

"Now, please ask the opposing team to summarize the strengths and weaknesses of the pro-party report. You have three minutes to prepare. Start now!"

Zeng Boyuan announced the next process.

Xu Ling and several members of the group began the discussion.

"Besides the previous question, do you have any other questions?"

Xu Ling looked at Qin Qin and asked directly.

"Well... another thing is that they didn't actually give a quantitative explanation of the effect on buoyancy. Instead, they ignored it and gave a qualitative explanation."

Qin Qin thought for a while and spoke slowly.

Ji Yun and others, like Xu Ling, did not notice anything wrong and could only continue to stare at Qin Qin.

"Hmm...I can't think of it."

Qin Qin shook her head and said embarrassedly.

"What about the advantages?"

Huang Yunfeng asked.

"Do I need to tell you about the advantages? Isn't this simple?"

Qin Qin was speechless.

Only then did Xu Ling and the others react.

Yes, isn't it easy to point out the advantages? They talked for a long time and didn't find any problems themselves. Isn't this an advantage?
"Time's up! The opposing side has three minutes to speak!"

Xu Ling did not stand up and handed the speech directly to Qin Qin.

“In terms of strengths, the student from the positive side explained the principles of table tennis very clearly.

Moreover, the report is more complete, and many details have been taken into consideration. For example, the speed not only has the effect of jet, but also the effect of wave-flow focusing.

Secondly, the other student used both simulation experiments and actual experiments to verify the theoretical model very well.

In terms of shortcomings, there are still some details that have not been taken into consideration. At the same time, some areas should have quantitative discussions, but the other students only conducted qualitative discussions.

......"

Qin Qin spoke in a loud voice, neither humble nor arrogant, and fluently until the end of the time.

"Time's up! Now, students on both sides of the debate will have six minutes to discuss!"

For a moment, the atmosphere on both sides became tense.

(End of this chapter)