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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

sentence worded or expressed so as to elicit information. To ask for or try to get information.

universe

/ˈyo͞onəˌvərs/

noun

All of space that contains planets and stars.

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. additional person or thing of same type.

leaving

/lēv/

verb

To let something or someone remain somewhere.

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

form mental image of.

stationary

/ˈstāSHəˌnerē/

adjective

not moving or not intended to be moved.

constant

/ˈkänstənt/

adjective noun

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

reference

/ˈref(ə)rəns/

noun verb

Note in a book, etc. giving source of information. provide book or article with citations of sources of information.

velocity

/vəˈläsədē/

noun

Speed in a given direction.

outward

/ˈoutwərd/

adjective adverb

Going away from a place that will be returned to. outwards.

through

/THro͞o/

adjective adverb preposition

From one end or side of something to the other. expressing movement into one side and out of other side of opening etc.. Over, in, across an entire thing or place.

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