The angle between the reflection angle and the incident angle increasesAccording to the law of reflection, the angle of reflection is equal to the angle of incidence. If the angle between the reflection angle and the incident angle increases, let the angle increase be the angle of the reflection angle, then it may be that the normal line is close to or far away from the incident ray, causing the incident angle to increase or decrease by the angle of the reflection angle. Because the reflection angle is equal to the incident angle, the reflection angle will also increase or decrease by the angle of the reflection angle, so that the angle between the reflection ray and the incident ray increases or decreases by the angle of the reflection angle. For example, in the problem of mirror rotation, if the normal line is far away from the incident light, the incident angle increases by angle (a), the reflection angle also increases by angle (a), and the angle between the reflected light and the incident light increases by angle (2a).
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Wei Lai et5The ET5 was the second sedan after the flagship model, the ET7, and the fifth mass-produced model. It was a mid-sized luxury car. It was released on December 18,2021. The pre-production vehicles went offline on August 24,2022. The first batch of mass-produced vehicles was delivered to users on September 30th. There was a recall in January 2023. The first batch of users was delivered in Germany, Norway, the Netherlands and Sweden on April 4,2023.
In terms of cost, compared to the Audi A4L, the electric cost of the electric streetcar ET5 was lower, less than 2,000 yuan per year, while the Audi A4L's fuel cost was just over 10,000 yuan (about 8L per 100 kilometers, 15,000 kilometers per year). The insurance fee for the ET5 was 6,000 yuan per year, and the Audi A4L was just over 4,000 yuan per year. However, there was no purchase tax for the ET5. In terms of maintenance, the Audi A4L's minor maintenance cost 1000 - 1500 yuan, and the major maintenance cost 2500 - 4000 yuan. The ET5 only needed to change the gear box oil, brake fluid, and cooling fluid every 200,000 kilometers. The maintenance cost was almost negligible.
Its shortcomings included: sitting posture was too high even if it was adjusted to the lowest, which made it uncomfortable to look at the screen and navigate; The rear view of the central rearview mirror was small; there was no front spare box and the cabin cover was not protected; the center of gravity was too high in terms of power, and there was a feeling of jumping in the undulating road; Wind noise would be transmitted into the car at speeds above 110 (related to frameless doors and front and rear single-layer glass).
In terms of power system, the ET5 series adopted a four-wheel drive dual-motor chassis architecture, with a total power of 360 Kilowatts, a peak moment of 700 Newton, and a zero-hundred acceleration of about 3.6 - 4 seconds. The dynamic characteristics were different under different driving modes. The 2024 100kWh version of the auxiliary driving level L2 (L3 is available), pure battery life of 710km, front + rear motor layout. The 75-degree battery version of the test car had 490 horsepower with dual engines. It had its own characteristics such as power response, chassis performance, and steering feel under different driving modes. The car's exterior design was unique and high-class, and the interior assembly process was good. The logic of the car system menu was easy to use and smooth, but the front row ergonomics had the problem of sitting too high. On June 15, 2023, the travel edition of the NIO5 was released, starting at 298,000 yuan. In August 2023, it was officially renamed as the ET 5T.
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At most, there is a counter-proof that the angle is a right angleWhen using reduction to absurdity to prove that "at most one angle is a right angle," one first had to raise the proposition that "at most one angle is a right angle," and then set the anti-proposition that "at most two or three angles are right angles."(Since the original proposition indicated that the number of right angles was at most one, then the contradiction was that the number of right angles was two or three). Next, he deduced according to the rules of reasoning to prove the falsehood of the counter-proposition. Finally, according to the Law of Excluded Middle, since the opposite proposition was false, the original proposition that "at most one angle is a right angle" was true.
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How to calculate the reflection angle and refraction angleThe angle of reflection was equal to the angle of incidence. In junior high school physics, the angle of incidence was usually represented by i, and the angle of reflection was represented by r. Therefore, the angle of reflection could be obtained from the angle of incidence.
The angle of refraction can be calculated using the formula n=c/v=sinA /sinB, n = sini:sinr, where n is the index of refraction, c is the speed of light in vacuum, v is the speed of light in the medium, A is the angle of incidence, and B is the angle of refraction. It can also be calculated according to the formula sin 6i/sin 6t =n21, where the angle of incidence is represented by 6i, the angle of refraction is represented by 6t, and n21 is the relative index of refraction of the second medium to the first medium.
In addition, when light enters water or other media diagonally from the air, the angle of refraction is smaller than the angle of incidence. When the angle of incidence increases, the angle of refraction increases. When light enters air diagonally from water or other media, the angle of refraction is greater than the angle of incidence. When light enters vertically from the air (or other media), the direction of transmission does not change. At this time, the angle of incidence, the angle of reflection, and the angle of refraction are all equal to 0°.
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Is ET a science fiction movie?Sure is. ET features a story centered around an alien visitor, which is a staple of science fiction. The movie also incorporates elements of fantasy and adventure within a sci-fi framework.
Is ET considered science fiction?Yes, ET is often classified as science fiction. It involves elements like extraterrestrial life and space exploration, which are common themes in the genre.
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2024-10-11 05:44
Is ET a science fiction movie?Absolutely. ET is widely regarded as a science fiction classic. It takes us on a journey with an alien being and showcases the imagination and wonder that are typical of the sci-fi genre.
Is ET based on a true story?No, ET is not based on a true story. It's a fictional creation of the imagination of the filmmakers.
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2024-10-14 04:53
How popular is the ET comic?ET comic has gained a decent following. It attracts those who enjoy sci-fi and adventure themes. The unique storylines and art style have drawn in many readers.