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Yesterday afternoon, the reporter opened the driver with the team a call.
he said, calculating that the impact force can be estimated from the theorem of momentum in mechanics. Specific to this accident, the reality may be more complex and can only give a concise version of the calculation.
Xiaoshan Wanda Road and is near the intersection of the Asia-Pacific Road, and other friends. 0:20 or so, he saw a good few more semi-trailer loaded with cement pillars mighty coming all the way from the Wanda Way.

this number say?
present, the traffic police department is investigating the matter.
Schematic Liang Jinming painted concrete pillars crash




heavy pressure on the body of large trucks,michael jordan retro shoes 失控轿车冲向公交站台 老人张开双臂护住六个孩子, so the force can be imagined.


brakes the inertia caused by such a terrible impact, office colleagues could not believe it. Impact of this inertia with which factors? How it led to car crash? We specifically ask the senior academic Hangzhou physics teacher - grade teacher, Hangzhou Normal University High School, Vice President Dennis Wu.

hours,jordans shoes for cheap, have enough time to rest during the day,mbt changa shoes, so certainly from the business in terms of traffic volume does not exist fatigue driving. ,supra shoes sales, is overloaded?


In cutting things. Suddenly the whole front was flattened, concrete pillars also continue to move out of part of it, crashed into a car in front of the


braking force of the impact in the end how much




a result of this calculation, F is approximately equal to 63,330 newtons.
According to eyewitnesses,nike air pegasus 27, the car did not take long to stop and start quickly,动物园河马配合拍照脸露微笑(组图), and speed though not particularly fast, but 5 m / s is definitely yes. So V = 5 m / sec.

then, is to jump the traffic lights junction, Mr. Ge has crossed the road to see the first car, second car saw the red light stopped. Just starting, but also a screeching halt.


column semi-trailer loaded with cement, the brakes, the column of cement within the bucket under the effect of inertia even in the cab to the flattened,supra justin bieber, the driver died on the spot.
traffic police department warned that the goods loaded slab trucks, cargo must be firmly fixed. Heavy goods vehicles, emergencies can not slam the brakes, the steering wheel can not be too hard, or the goods easily under the effect of inertia toward the cab. Drivers can take the pumping means, for a buffer process.
According to him, each vehicle about 19 concrete pillars, each about 50 cm in diameter, length 10 meters.
reporter then learned that the accident belongs to a fleet of container transport company. Wu, according to one official said,mbt zuri 大学生夫妻毕业后回乡养猪创业带动村民发展, the accident driver surnamed Liu, Anhui, this year more than 30 years old, the family was rushed to Hangzhou.

he gives a formula, that is, F (impact force) = M (mass) V (speed) / T (hit the stop time). , then the 19 concrete pillars of the M = 38000 kg.

and concrete pillars to stop the time from the impact is generally not more than 3 seconds, take the longest time, we chose 3 seconds.
A total of five or six vehicles to freight, ready to Xiaoshan a construction site.