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Rotational kinetic energy | Moments, torque, and angular momentum | Physics | Khan Academy

185,941 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

98%
  • 13:47 / 14:02

Speech Rate:

  • 197 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

instead

/inˈsted/

adverb

as alternative or substitute.

determine

/dəˈtərmən/

verb

To control exactly how something will be or act.

throwing

/THrō/

verb

To move part of your body suddenly and forcefully.

kinetic

/kəˈnedik/

adjective

relating to or resulting from motion.

rotational

/rōˈtāSH(ə)n(ə)l/

adjective

using or relating to circular movement about axis or centre.

objects
noun other verb

material thing. Goals or purposes of particular plans or activities. express disagreement.

pitches

/piCH/

noun other verb

degree of highness or lowness of sound. Acts of throwing a baseball for someone to hit. To set a sound to a certain level.

definitely

/ˈdef(ə)nətlē/

adverb

without doubt.

spinning

/ˈspiniNG/

noun verb

action or process of spinning. To move something in a rapid turning motion.

alright

/ˈˌôl ˈrīt/

adjective adverb exclamation

OK; fine; good. in satisfactory manner or to satisfactory extent. expressing or asking for assent or acceptance.

formula

/ˈfôrmyələ/

noun

mathematical relationship in symbols.

knuckle

/ˈnək(ə)l/

noun verb

Section of meat from bottom part of animal's leg. rub or press with knuckles.

regular

/ˈreɡyələr/

adjective noun

arranged in constant pattern. Customers who frequently visit a place.

baseball

/ˈbāsˌbôl/

noun

Two teams of nine players hit a ball to score runs.

equivalent

/əˈkwiv(ə)lənt/

adjective noun

Equal to something in value, use or meaning. equal or corresponding person or thing.

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