ENGR 230 Dynamics Sections 12'4 12'6

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ENGR 230 Dynamics Sections 12.4 12.6
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Curvilinear Motion Position
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Curvilinear Motion Velocity
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Velocity is tangential to path of travel
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Curvilinear Motion Acceleration
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Hodographs Locus of points of the arrowheads of
the velocity vectors
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Parametric Functions
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Projectile Motion 2-D

• Horizontal Motion
• Vertical Motion

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Projectile Clown

• A clown is shot from a cannon at 80 ft/s at a 45
  angle into a net 20 ft in the air.
• How long does it take before the clown hits the
  net?
• What is his velocity at impact?
• How far down range does he travel?

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