A physical quantity that has a magnitude but no direction
What is a scalar?
Length in inches is this type of measurement quantity
What is scalar?
Velocity is this type of measurement quantity
What is vector?
Examples of these include softballs, footballs, and arrows when they are projected through the air
What are projectiles?
The crucial point when it comes to problems involving relative velocity
What is establishing the proper frame of reference?
A physical quantity that has both magnitude and direction
What is a vector?
The distance traveled by an object during a given time interval divided by the time interval
What is speed?
Any vector can be resolved into its component vectors by using these two functions
What are Sin and Cos functions?
The velocity of a projectile would not be constant if this was accounted for
What is air resistance?
A system that uses coordinates to uniquely determine the position of the points
What is a coordinate system?
A vector that represents the sum of two or more vectors
What is a resultant vector?
This is the result of multiplying or dividing vectors by scalars
What is a vector?
This 2 word 7 syllable method can be used to find the magnitude of a resultant vector
What is the Pythagorean theorem?
This is the path that projectiles follow
What is a parabolic trajectory?
A frame that is a physical concept related to state of motion
what is an observational frame?
The projections of a vector along the axes of a coordinate system
What are components of a vector?
A scalar quantity that is the difference between two different times
What is a time interval?
This function can be used to find the direction of a resultant vector
What is the inverse tangent function?
vx = vx,i = constant and ∆x = vx ∆t are equations that describe this
What is the horizontal motion of a projectile?
In different frames of reference these will differ
What are velocity measurements?
The motion that an object exhibits when thrown, launched, or otherwise projected near the surface of the Earth
What is projectile motion?
Electric charge, space-time interval, and invariant mass are examples of this type of scalar quantity
What is a relativistic scalar?
The name of the method used in which two or more vectors are added together graphically
What is the head-to-tail method?
vy,f = ay ∆t and vy,f2 = 2ay ∆y are equations that describe this
What is the vertical motion of a projectile that falls from rest?
These are frames for fictitious forces
What are non-inertial frames?