Lançamento Horizontal E Oblíquo Flashcards

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1
Q

O movimento do projétil segundo o eixo vertical Oy é retilíneo e uniformemente variado,

A

Com aceleração escalar de módulo igual ao módulo da aceleração da gravidade.

|ay|=g

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2
Q

O movimento do projétil segundo o eixo horizontal Ox é

A

Retilíneo e uniforme.

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3
Q

Função horária do espaço segundo Ox.

A

x=xo +vx t

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4
Q

Função horária do espaço segundo Oy

A

vy= voy- g t

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5
Q

Equação de Torricelli segundo Oy

A

vy2= voy2- 2g Delta y.

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6
Q

Cálculos dos tempos de subida (ts), de descida (td) e total (T).

A

ts= Voy/g = vo. seno de tetra/g

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7
Q

td=

A

vo. seno de tetra/g

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8
Q

Total=

A

2vo. seno de tetra/g.

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9
Q

Cálculo da altura máxima (hmáx.)=

A

voy2/2g= vo2. sen2 de tetra/2g

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10
Q

hmáx.=

A

vo2/2g

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11
Q

Cálculo do alcance horizontal (A)

A

A= vo2/g 2sen de tetra . cos de tetra

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12
Q

A=

A

vo2/g . sen 2 tetra

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13
Q

Para valores fixados de vo e de g, objetos lançados com ângulos de lançamento complementares têm

A

Alcances horizontais iguais.

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14
Q

Condição de máximo alcance horizontal

A

Tetra= 45º

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15
Q

Equação da trajetória

A

y= tg de tetra . x - g/2 vo2. cos2 de tetra. x2

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