Translational Motion Flashcards by James McGhee

Q

A

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Q

Uniformly Accelerated Motion

Average Velocity

A

It means that acceleration is constant. This meaning that velocity is varying with respect to time.

x^*= x_o + v_ot + 1/2at² * = distance = (x - x_o)

v = v_o + at

v² = v_o² + 2a(x - x_o)

Average velocity

v_avg= 1/2(v + v₀)

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Q

Prefixes for SI Units

A

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Q

Speed

Velocity

Acceleration

A

Speed = distance/time

Velocity = displacement/time

Acceleration = change in velocity/time

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Q

Projectile Motion Chart

A

Vertical Velocity alone dictates the time of flight.
The Range(horizonal distance) is the horizonal velocity times the time of flight.
Symmetry helps solve problem. If we use only the second half of the trip, vertical v_o will always equal zero, making calculations easier.
In the absense of air resistance, mass does not affect projectile motion.

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Q

Multiplying Vectors

A

V_product = V₁V₂sinø

S_product = V₁V₂cosø

v=vector

s=scalar

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Q

Projectile Motion

A

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Q

Common Triangle

A

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Q

Resolving Vectors

A

a_x = a cos Ø

a_y = a sin Ø

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Q

Trigonometric Ratios

A

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Q

Pythagorean Theorem

A

A²+ B² = C²

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Q

30-60-90 Triangle

A

The side opposite the 30º angle is half the hypotenuse.

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Q

Sine, Cosine, Tangent

A

SOH CAH TOA

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Q

Time of Flight

A

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Q

Maximum Height

A

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Q

Horizontal Range

A

Q

Horizontal Distance

Horzontal Velocity

A

Q

Vertical Distance

Vertical Velocity

A

Q

Final Velocity when Dropped from a Height

A

v_o must be zero

Q

Radius (of a circle)

Circumference (of a circle)

A

Q

Area of a Triangle

A

A = 1/2bh

b = base

h = hieght

Q

Potential Energy

A

mgh

Q

Kinetic Energy

A

1/2mv²

Q

Multiplying Scientific Notation

A

(n x 10^a) • (m x 10^b) = (n · m) x 10^{<span>a+b</span>}

Dividing Scientific Notation