Vocab
Projectile Facts
Equations & Variables
Angles
Trig
100
This describes anything moving 2D through the air where GRAVITY is the only force acting on it.
What is PROJECTILE MOTION?
100
This is the horizontal acceleration for all projectiles.
What is ZERO m/s/s?
100
The variable ______ is measured in meters and the variable ______ is measured in m/s.
What is POSITION/DISPLACEMENT and VELOCITY?
100
This compass direction matches with an angle of 180 degrees.
What is WEST?
100
This is the side of any right triangle that is opposite the right angle and ALWAYS side c in the P-THEO.
What is the HYPOTENUSE?
200
This describes the horizontal distance a projectile travels.
What is RANGE?
200
As the launch angle of a projectile INCREASES but the velocity stays constant, the _______ & ______ ALWAYS INCREASE.
What is HANGTIME and HEIGHT?
200
This is the acceleration for all projectiles.
What is ay = -9.8 m/s2?
200
This vector is described by 60 degrees S of E in the pic below.
What is VECTOR B?
200
You would use this if you only know 2 sides of a right triangle.
What is P-THEO?
a2 + b2 = c2
300
This describes the parabolic path of a projectile while it is moving through the air.
What is TRAJECTORY?
300
This is how the launch velocity compares to the landing velocity.
What is they have the SAME MAGNITUDE but a different DIRECTION.
300
This is the equation to use if you do not know time.
What is vf2 = vi2 +2a triangle y
300
100 degrees is most likely this vector on the pic below.
What is vector C?
300
This would describe the 24 side relative to angle t of this right triangle.
What is the ADJACENT SIDE?
400
You MUST break down the velocity of a projectile into these in order to use our kinematic equations.
What are the vertical and horizontal COMPONENTS?
400
At the PEAK of the trajectory the vertical velocity is _____ m/s and the acceleration is ______ m/s2.
What is ZERO & -9.8?
400
This is the equation you would use to solve for the RANGE of a projectile.
What is trianglex = vx*t?
400
42 degrees S of W would be this angle out of 360 degrees.
What is 222 DEGREES?
400
This is the MAGNITUDE of side BC (hypotenuse) in the triangle below rounded to 2 decimal places.
What is 98.99 m?
500
A football is thrown at 12.5 m/s at an angle of 50 degrees E of N, as shown below. This is the magnitude of the velocity the ball was thrown with.
What is 12.5 m/s?
500
The HANG TIME of a projectile is dependent upon this. (it's not the launch angle)
What is the VERTICAL VELOCITY?
500
If the vertical launch velocity is known, setting one of the velocities in this equation to ZERO m/s solves for this. vf = vi + ayt
What is t1/2?
Half the trip of the projectile. Either the time it takes to rise or the time it takes to fall.
500
This would describe a 158 degree angle relative to the y axis.
What is 68 DEGREES W of N?
500
This is the MAGNITUDE of angle t in the triangle below rounded to 2 decimal places.
What is 16.26 DEGREES?