Formler Krumlinjet Bevegelse Flashcards

1
Q

Parameterframstilling til posisjonen

A

x=1/2 • a_x • t^2 + v_0x • t + x_0
y = det samme som over bare y

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2
Q

Dekomponering av startfart

A

v_0x = v_0 • cos
v_0y = v_0 • sin

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3
Q

Fartskomponentene

A

v_x = v_0x
v_y = -gt + v_0y

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4
Q

Banefarten

A

v = sqrt((v_x)^2 + (v_y)^2)

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5
Q

Retning til farten

A

tan = v_y / v_x

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6
Q

Banefart i sirkelbane

A

v = (2•pi•r)/ T

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7
Q

Sentripetalakselerasjon

A

a_s = v^2 / r = (4•pi^2•r)/T^2

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8
Q

Sentripetalkraft

A

F_s=ma_s=m•(v^2)/r= m•(4•pi^2•r)/T^2

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9
Q

Sving med dossering (bilen kjører skrått)

A

tan = F/G

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