vzorečky Flashcards

1
Q

dráha

A

s=v.t

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2
Q

dráha ze zrychleni

A

s=1/2at’2

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3
Q

zrychlení

A

změna v/ změna t

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4
Q

síla ze zrychlení

A

F = m . a = zmena p / zmena t

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5
Q

zrychlení ze síly

A

a=F/m

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6
Q

sila, hmotnost, sila cas

A

m . zmena v =F . zmena t

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7
Q

hybnost

A

p=m.v

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8
Q

zakon zachovani hybnosti

A

p = p1 + p2 = m1v1 - m2v2

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9
Q

vysledna hybnost

A

p3=v3(m1 + m2)

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10
Q

pomer rychlosti a hmotnosti

A

m1/m2 = v2/v1

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11
Q

třecí síla

A

Ft=Fn . f = f . p . S

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12
Q

součinitel smykoveho treni

A

f = Ft/Fn

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13
Q

rychlost z hybnosti

A

v = p/m

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14
Q

tihova sila

A

FG= m. g

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15
Q

sin

A

protilehla odvesna / prepona

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16
Q

cos

A

prilehla odvesna/ prepona

17
Q

tan

A

protilehla odvesna / prilehla odvesna

18
Q

sin pomoci sily

A

sin alf = F/FG
F = FG . sin alf

19
Q

cos pomoci sily

A

cos alf = FN/FG
FN=FG . cos alf

20
Q

dostredive zrychleni

A

ad=w’2r = v’2/r

21
Q

dostrediva sila

A

Fd=mw’2r=mv’2/r

22
Q

uhlova rychlost

A

φ/t = 2pí/T = 2píf

23
Q

rychlost pomocí uhlove rychkosti

24
Q

setrvačná síla