Exam 2 - 304

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21 Terms

1
Linear Distance
Total path length traveled, measured in meters or kilometers.
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2
Displacement
Straight-line distance from start to end, including direction.
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3
Speed
Rate of covering distance (distance per unit time).
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4
Pace
Time taken to cover a unit of distance (e.g., minutes per km).
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5
Velocity
Rate of change of position, including direction.
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6
Acceleration
Rate of change of velocity over time.
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7
Angular Distance
Total angle rotated, measured in degrees or radians.
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8
Angular Displacement
Smallest angle between start and end positions, with direction.
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9
Angular Speed
Rate of rotation (angle per unit time).
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10
Angular Velocity
Rate of change of angular displacement, with direction.
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11
Angular Acceleration
Rate of change of angular velocity over time.
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12
Relationships Between Linear and Angular Motion
Connection between rotation and straight-line motion (v=rω).
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13
Kinematics of Projectile Motion
Study of motion of objects launched into the air under gravity.
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14
Factors That Influence Projectile Motion
Initial speed, launch angle, air resistance, and gravity.
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15
Optimal Conditions for Projectiles
45° launch angle for maximum range (no air resistance).
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16
Horizontal and Vertical Components
Breakdown of motion into horizontal (constant) and vertical (accelerated) parts.
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17
Pythagorean Theorem
In a right triangle, a²+b²=c².
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18
SOHCAHTOA
Sine = opposite/hypotenuse, cosine = adjacent/hypotenuse, tangent = opposite/adjacent.
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19
Vector Composition
Combining vectors to produce a resultant vector.
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20
Vector Resolution
Breaking a vector into horizontal and vertical components.
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21
Tip to Tail Method
Adding vectors by placing the tail of one at the tip of another.
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