By Levels

Library

EXP: 08888
HITS: {{lyricTraining.hits}}888
STREAKS: {{lyricTraining.streaks}}888
TIME: {{lyricTraining.timeout / 1000}}88
{{word.word}}

{{cue.translated_text}}

{{lyricTraining.hint}}

x{{playblackSpeed.toFixed(2)}}

Loading ..

Not Found

{{annotation.word}} ({{annotation.pos_simplify}})

/{{annotation.phonetic}}/

{{annotation.translation}}

{{annotation.name}}

{{annotation.sub_type}}

{{annotation.definition}}
Back

Games & Quizzes

Training Mode - Typing
Fill the gaps to the Lyric - Best method
Training Mode - Picking
Pick the correct word to fill in the gap
{{game.name}}
{{game.description}} Requires {{game.required_annotions}} vocabulary annotations

Congratulations! You gained {{totalPoint}} XP

You may need to watch a part of the video to unlock quizzes

Don't forget to Sign In to save your points

Repeat Skip ({{game.question_index}}/{{game.questions.length}})
{{part}}
Repeat Skip ({{game.question_index + 1}}/{{game.questions.length}})
{{choice.text}}
{{choice.text}}

Make correct pairs from two columns

{{lyricTraining.finished && lyricTraining.timed_out ? 'Timed Out' : 'Challenge Accomplished'}}

PERFECT HITS {{lyricTraining.stats.PERFECT_HITS}} +{{lyricTraining.stats.PERFECT_HITS * 20}}
HITS {{lyricTraining.stats.HITS}} +{{lyricTraining.stats.HITS * 10}}
LONGEST STREAK {{lyricTraining.stats.LONGEST_STREAKS}} +{{lyricTraining.stats.LONGEST_STREAKS * 10}}
REMAINING TIME {{lyricTraining.timeout / 1000}}s +{{lyricTraining.timeout / 1000}}
TOTAL +{{lyricTraining.exp}}
{{word.word}} - {{dictionary.definition[0].phonetic || ("/" + dictionary.phonetics +"/")}} - {{word.translation}}

We couldn't find definitions for the word you were looking for.
Or maybe the current language is not supported

{{simpleDefinition.pos}}

{{simpleDefinition.def}}

{{word.word}}

Sentences & parts of speech:

  • {{tag.normal}} {{tag.pos_name}}

  • {{c.startTime | duration}}


    {{c.translated_text}}

All {{pos.pos_simplify}}
{{a.word || a.name}}
/{{a.phonetic}}/
{{a.type || a.sub_type}}
{{a.translation}} 		{{a.definition}}

Deriving displacement as a function of time, acceleration, and initial velocity | Khan Academy

471,327 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

{{speechTime/videoDuration*100 | int}}%
  • {{speechTime | duration}} / {{videoDuration | duration}}

Speech Rate:

  • {{speechRate}} wpm - {{speechRateLevel}}

Category:

  • Education

Tags :

Intro:

Video Vocabulary

initial

/iˈniSHəl/

adjective noun verb

Existing or occurring at the beginning. First letter of your given name. To authorize something by writing your initials.

happens

/ˈhapən/

verb

take place.

divided

/diˈvīdəd/

adjective verb

Being split in two or more pieces. To split numbers by another number, e.g. 6 / 2 = 3.

gravity

/ˈɡravədē/

noun

Force making things fall towards the ground.

relative

/ˈrelədiv/

adjective noun

(Grammar) referring to words that appear earlier. person connected by blood or marriage.

straight

/strāt/

adjective adverb noun

Not gay; heterosexual. in straight line. part of something that is not curved.

acceleration

/akˌseləˈrāSH(ə)n/

noun

vehicle's capacity to gain speed.

general

/ˈjen(ə)rəl/

adjective noun

Widespread, normal or usual. commander of army.

distance

/ˈdistəns/

noun verb

Lack of friendliness toward another person. To make it clear that you are not involved.

squared

/skwerd/

adjective verb

(Of number) multiplied by itself (e.g. 2 x 2). To make something balance or be equal.

velocity

/vəˈläsədē/

noun

Speed in a given direction.

surface

/ˈsərfəs/

adjective noun verb

relating to or found on surface of something. outside part or uppermost layer of something. rise or come up to surface of water or ground.

throwing

/THrō/

verb

To move part of your body suddenly and forcefully.

Q
W
E
R
T
Y
U
I
O
P
A
S
D
F
G
H
J
K
L
Z
X
C
V
B
N
M