Kinetic Something Pages 1 - 15.

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Presentation transcript:

Kinetic Something Pages 1 - 15

Units Metric system (SI system) Mega- 1000000x Kilo- 1000x Deci- 10x Centi-.01x Milli-.001 Micro-.000001 English system 1 ft - 12 inch 1 yard - 3ft. 5280 ft- 1 mile

Vectors and Scalars Scalars – quantities that are associated with magnitude (ex. move 500 ft) Vectors – quantities that are associated with both magnitude and direction (ex. Move 500 ft to the right)

Kinematic equations (One dimensional) Velocity = initial velocity + (acceleration x time) Change in Position = .5(initial velocity + velocity) x time Change in Position = initial velocity x time + .5 acceleration x (time squared) Velocity squared = (initial velocity squared) + 2 x acceleration x change in position

Gravity Acceleration of gravity 9.8m/s/s (10m/s/s) or 32ft/s/s

Two Dimensional Motion Now you’re applying y (vertical direction) and X (horizontal direction) Velocity y= initial velocity of y + the acceleration of y) X time. Change in y = .5 X (initial velocity of y + the velocity of y) X time Change in y = initial velocity of y X time + .5 acceleration of y X (time squared) velocity of y squared = initial velocity of y squared + 2 X acceleration X change in Y position

Projectile Motion Any object that has motion in both vertical and horizontal directions and is influenced only by gravity while in the air. (ex. of Two Dimensional motion)