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Finding an in-between frame of reference | Special relativity | Physics | Khan Academy

30,035 views

Khan Academy

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

97%
  • 7:59 / 8:11

Speech Rate:

  • 165 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

between

/bəˈtwēn/

adverb preposition

in space separating things. at, into, or across space separating things.

question

/ˈkwesCH(ə)n/

noun verb

Issue or problems you are dealing with. To have or express concerns or uncertainty.

universe

/ˈyo͞onəˌvərs/

noun

all existing matter and space considered as whole.

someone

/ˈsəmˌwən/

pronoun

Person who is not known or named.

another

/əˈnəT͟Hər/

adjective determiner pronoun

One more, but not this. used to refer to additional person or thing of same type as one. One more (thing).

leaving

/lēv/

verb

To go away from; depart.

traveling

/ˈtrav(ə)liNG/

adjective noun verb

going from place to place. action of going from one place to another. To go to a place that is far away.

imagine

/iˈmajən/

verb

To think creatively about; form mental picture of.

stationary

/ˈstāSHəˌnerē/

adjective

Being still or unmoving.

constant

/ˈkänstənt/

adjective noun

occurring continuously. Thing that happens always or at a regular rate.

reference

/ˈref(ə)rəns/

noun verb

A letter of recommendation, e.g. for a job. provide book or article with citations of sources of information.

velocity

/vəˈläsədē/

noun

speed of something in given direction.

outward

/ˈoutwərd/

adjective adverb

Concerning how something appears on the outside. outwards.

through

/THro͞o/

adjective adverb preposition

continuing or valid to final destination. expressing movement into one side and out of other side of opening etc.. moving in one side and out of other side of.

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