ch. 10 key terms Flashcards
Angle of projection
the direction at which a body is projected with respect to the horizontal
Apex
the highest point in the trajectory of a projectile
Average
occurring over a designated time interval
Initial velocity
vector quantity incorporating both angle and speed of projection
Instantaneous
occurring during a small interval of time
Kinematics
the form, pattern, or sequencing of movement with respect to time
Laws of constant acceleration
formulas relating displacement, velocity, acceleration, and time when acceleration is unchanging
Linear acceleration
the rate of change in linear velocity
Linear displacement
change in location, or the directed distance from initial to final location
Linear velocity
the rate of change in location
Meter
the most common international unit of length, on which the metric system is based
Projectile
body in free fall that is subject only to the forces of gravity and air resistance
Projection speed
the magnitude of projection velocity
Range
the horizontal displacement of a projectile at landing
Relative projection height
the difference between projection height and landing height
