Linear Motion (8, 1)

Equations:

x = x0 + v0 ⋅

1

⋅ a ⋅ t

2

t + --

 

 

 

2

 

 

x = x0 +

1

⋅ (v0 + v) ⋅ t

--

 

2

 

 

 

1

⋅ a ⋅ t

2

x = x0 + v ⋅ t + --

 

2

 

 

v = v0 + a ⋅ t

Example:

Given: x0=0_m, x=100_m, t=10_s, v0=1_m/s

Solution: v=19_m/s, a=1.8_m/s^2.

Object in Free Fall (8, 2)

Equations:

1

⋅ g ⋅ t

2

y = y0 + v0 ⋅ t + --

 

2

 

 

v2 = v02 + 2 ⋅ g ⋅ (y + y0)

1

⋅ g ⋅ t

2

y = y0 + v ⋅ t + --

 

2

 

 

v = v0 + g ⋅ t

Example:

Given: y0=1000_ft, y=0_ft, v0=0_ft/s

Solution: t=7.8843_s, v= 253.6991_ft/s.

Projectile Motion (8, 3)

Equations:

x = x0 + v0 COS( θ 0) ⋅ t

 

y = y 0 + v0 SIN0) ⋅ t –

1

g t2

 

 

 

2

 

vx = v0 COS0)

 

vy = v0 S IN0) – g t

 

R =

v02

S IN(2 ⋅ θ 0)

 

 

 

g

 

 

 

Example:

Given: x0=0_ft, y0=0_ft, Θ 0 =45_°, v0=200_ft/s, t=10_s.

Solution: R=1243.2399_ft, vx=141.4214_ft/s, vy= 180.3186_ft/s, x=1414.2136_ft, y= 194.4864_ft.

Equation Reference 535

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Image 471
HP 48gII Graphing, 50g Graphing manual Linear Motion 8, Object in Free Fall 8, Projectile Motion 8