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Science
Pre-Finals
Projectile Motion
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Cards (33)
Uniformly Accelerated Motion
- When an object changes velocity at a constant rate.
Acceleration
- Change of rate in velocity with time.
Projectile
- An object moving through the air that's affected by gravity.
Trajectory
- The path that a projectile follows.
Projectile
- An object undergoing projectile motion.
Trajectory
- The parabolic path taken by a projectile.
Angle
- A numerical value that's measured in degrees. Expressing the orientation of the projectile that will be thrown/projected.
Horizontally Launched Projectiles
- A projectile that is launched horizontally and then accelerates upwards. It has a projectile and a trajectory.
Angle Launched Projectiles
- A projectile that has been projected in an angle. It has a projectile, a trajectory, and an angle.
Horizontal Motion
- Neglects air resistence and is the movement of an object along a horizontal plane.
Horizontal Acceleration is
0
(digit)
Range
- Horizontal distance.
Vertical Motion
- The force that's acting upon this motion is gravity.
Gravity =
9.8m/s^2
Vertical Velocity is
not
constant.
Height
- Vertical distance.
h =
d_y
Horizontal Velocity -
v_x
Vertical Velocity -
v_y
d_y =
1/2a_gt^2
t =
d_x/v_i
v_f =
-sqrt(2a_gd_y)
Maximum Height
- The maximum vertical distance that the projectile can reach.
d_y (maximum height reached) = (v_i*sinth)^2/2g
Horizontal Displacement (Range) = v_i*costh*t
t_T (Time Taken) =
(2)v_i*sinth/g
To find the height of a vertically projected object, you must have the formula for the
vertical distance
and the
time.
To find the final velocity of a vertically projected object, you must have the formula of the final velocity which is
-sqrt(2a_gd_y)
t_T =
Total time
g =
Gravity
Horizontal and vertical displacement refer to the
distances
traveled by an object in the horizontal and vertical directions.
Projectile
- A launched/thrown/shot object.
Trajectory
- The parabolic path taken by a projectile.