thema 2 energie en vermogen Flashcards

1
Q

energie

A

de mogelijkheid om verandering te veroorzaken

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2
Q

symbool energie

A

E

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3
Q

energie SI-eenheid

A

joule (J)

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4
Q

1 cal

A

4,2 J

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5
Q

kJ

A

1000 J

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6
Q

formule potentiële gravitionele energie

A

Epot.el=m . g . h

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7
Q

formule potentiële elastische energie

A

Epot.gr=[k . (∆l)²]/2

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8
Q

formule kinetische enrgie

A

Ek= (m . v²)/2

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9
Q

arbeid symbool

A

W

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10
Q

arbeid SI-eenheid

A

joule (J)

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11
Q

arbeid formule

A

W=F.∆x.cosa

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12
Q

energietheorema

A

Wtotaal=∆E

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13
Q

vermogen symbool

A

P

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14
Q

vermogen SI-eenheid

A

watt (W)

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15
Q

vermogen formule

A

P=∆E/∆t

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16
Q

energiebalans

A
17
Q

verlies aan nuttige energie

A

energiedissipatie

18
Q

formule energiedissipatie

A

Edis=Etotaal-Enuttig

19
Q

symbool energiedissipatie

A

Edis

20
Q

rendement symbool

A

η (èta)

21
Q

rendement formule

A

η=Enuttig/Etotaal

22
Q

manieren energieopslag

A

-accu
-vliegwiel
-waterresevoir