Projectile Motion

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Projectile Motion
A projectile is an object moving in two or three
dimensions only under the influence of gravity
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Free Fall and Projectiles

• All objects accelerate toward the Earth, near the
  surface, at the same rate equal to -9.80 m/s2
  (neglecting air resistance).
• Vector Quantities not parallel are independent of
  each other.
• A projectile follows a parabolic path.
• The horizontal velocity of an object in
  projectile motion is constant.

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The Vertical and Horizontal components are
independent of each other.
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The Horizontal Component of the motion of a
projectile has constant velocity
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The horizontal velocity is constant because the
acceleration in the horizontal direction is zero
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Calculations of Variables
time
vy
d y
vo
max
vx
d x
Range
ax 0
ay -9.80 m/s