Vector
c^2= a^2+b^2
Pythagorean theorem
The shape of a projectile is characterized as this
Parabola
This component remains constant throughout the pathway.
Horizontal Velocity
A vector with a magnitude of 25m/s and an angle of 26 degrees has this horizontal velocity/component.
22.5 degrees
A physical quantity that has magnitude, but no direction.
Scalar
Sine equals ____ over____
Opposite/hypotenuse
Mathematically, the shape of a parabola signifies this particular type of function.
Quadratic
This component is changing across the pathway of a projectile.
Vertical Velocity
A vector with a magnitude of 25m/s and an angle of 26 degrees has this vertical velocity/component.
11 degrees
A vector that represents the sum of two or more vectors
Resultant
Cosine equals _____ over_____
Adjacent/Hypotneuse
False: Both will land at the same time.
To find the horizontal component, you use this trigonometric function.
Cosine
A velocity vector of 45 m/s launched at an angle of 90 degrees has a horizontal velocity/component of this.
0
the motion than an object exhibits when thrown, launched, or otherwise projected near the surface of Earth.
Tangent equals _____ over_____
Opposite/Adjacent
A ball bouncing across a room would be an example of this type of motion.
Parabolic
To determine the vertical component of a projectile, you use this trigonometric function.
Sine
A velocity vector of 45 m/s launched at an angle of 90 degrees has a vertical velocity/component of this.
45
The projections of a vector along the axes of a coordinate system.
Components of a vector
Inverse Trigonometric functions
sin-1
cos-1
tan-1
Dropping a ball out of a moving car takes longer to reach the ground compared to one that is dropped from the same height and at rest.
False.
The vertical velocity is highly affected by this force that is always directed downward.
Gravity
A golfer who drives her golf ball from the tee down the fairway in a high arcing shot. when the ball is at the highest point of its flight:
a. the x-velocity is zero and y-velocity is zero
b. the x-velocity is non-zero, but the y-velocity is 0.
B. the x-velocity is non-zero, but the y-velocity is 0.