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🌏 | U.S. authorities investigate Tesla car crash


U.S. authorities investigate Tesla car crash

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In addition, the National Transportation Safety Board (NTSB) announced on the same day that it will dispatch two investigators to investigate the collision.

[Washington, XNUMXth Reuters] -National Highway Traffic Safety Administration (NHTSA) departs on XNUMXth, Texas on XNUMXth ... → Continue reading


Wikipedia related words

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collision(Shototsu,German: Stoß,English: collision) IsmotionTwo objects in contact come into contact and in a very short timeStrike powerTo each otherphysicalPhenomenon.Derived from that, conflicting positions and interests collide and become a conflict is also called a conflict.

Physical collision

Consider a one-dimensional collision of two objects.Of one object before the collision occurredRelative speedTheu If so, the relative velocity after the collisionu 'Is

Becomes heree TheCoefficient of restitutionIs called.The coefficient of restitution takes a value between 0 and 1e If = 1Physical energy saveBe doneFull elastic collision[1]Is said to be.If it is not a fully elastic collision, the kinetic energy is partiallyHeat energyConverted to, etc.DissipationTo do.

Collision in a marine accident

Collisions are said to be the most common marine accidents, "when a vessel collides with or comes into contact with another vessel while it is sailing or moored, causing damage to one of the vessels" and "a vessel on a quay, pier, or buoy. In case of collision or contact and damage to the ship or both the ship and the facility "[2].

Collision in an aviation accident

Collision in the network

OSI reference modelFirst layer ofPhysical layer)so,Transmission linenetwork OfsignalCollision is called "collision".

Because the collision signal will be destroyedTCP / IP OfTCPEtc., which requires reliabilityCommunication protocolThen it is necessary to resend.


[How to use footnotes]
  1. ^ Morikazu Toda "Dynamics" Iwanami Shoten, 1982.ISBN 4-00-007641-8. 
  2. ^ Encyclopedia of Ships Maruzen Publishing Co., Ltd. First Edition P.219

Related item

Physical collision
Social conflict


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