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OAT Kaplan Physics > Chad's > Flashcards

Chad's Flashcards

1
Q

What is the equation for Vx?

A

Vcos(Θ)

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2
Q

What is the equation for Vy?

A

Vsin(Θ)

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3
Q

∆x =

A

v*t

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4
Q

∆x = vit +

A

1/2at^2

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5
Q

vf^2 =

A

vi^2 + 2a∆x

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6
Q

vf =

A

vi + at

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7
Q

Normal force is proportional to

A

Friction

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8
Q

In dynamic equilibrium, what is constant?

A

Velocity

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9
Q

What is equation of friction?

A

µ*N

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10
Q

What is the equation of Conservation of Mechanical Energy?

A

PEi + KEi = PEf + KEf

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11
Q

What is the equation of PE?

A

PE = mgh

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12
Q

What is the equation of KE?

A

KE = 1/2mv^2

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13
Q

Power is expressed in what unit?

A

Watts

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14
Q

What is the equation of Power?

A

Work / ∆t

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15
Q

What is the equation of Momentum?

A

P = m * v

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16
Q

What is the equation of Impulse?

A

∆p = F * ∆t

17
Q

In any calculation, what happens to momentum?

A

It is conserved

18
Q

Momentum and KE are conserved in an

A

Elastic collision

19
Q

What is conserved in an Inelastic collision?

A

Only momentum

20
Q

How is the KE force in an Inelastic collision?

A

Always smaller

21
Q

How many radians is 360˚?

A

2π radians

22
Q

How many radians is 180˚?

A

π radians

23
Q

How many radians is 90˚?

A

π/2 radians

24
Q

What is angular velocity?

A

∆Θ/∆t

25
Q

What is angular acceleration?

A

∆w/∆t

26
Q

What is distance in terms of a circle?

A

r * ∆Θ

27
Q

What is velocity in terms of a circle?

A

r * w

28
Q

What is acceleration in terms of a circle?

A

r * acceleration (alpha)

29
Q

What is Force in terms of two planets etc

A

F = Gm1m2 / r^2

30
Q

Uniform circular motion has constant

A

Velocity

31
Q

Uniform circular motion does not have constant

A

Acceleration

32
Q

Impulse is used to

A

Change momentum

33
Q

Perfectly inelastic collisions always

A

Lose energy

34
Q

When 2 objects are stuck together, what kind of collision is that?

A

Perfectly inelastic

35
Q

KE is not conserved in which collisions?

A
  • Inelastic

- Perfectly Inelastic

36
Q

How many radians is 360˚?

A

2π

37
Q

How does centripetal acceleration influence the tangent velocity?

A

It changes its direction

OAT Kaplan Physics (16 decks)

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