11.1 - distance and displacement Flashcards
frame of reference
a coordinate plane which measures position, motion, or other properties of an object/an observational point tied to the motion of an observer
distance
the length of the path in between two points; does NOT depend on direction
what is the SI unit for distance
meter (m)
displacement
difference between an object’s final position and initial position, depends on direction
speed
rate at which an object is moving, does NOT depend on direction
velocity
speed with direction
formula for velocity -
distance/time
formula for speed -
distance/time
formula for displacement
final position-initial position
scalar quantity
had magnitude but NO DIRECTION
vector quantities
a quantity with both direction and magnitude
instantaneous speed
the rate at which an object is moving at a given point in timme
what measures instantaneous speed
speedometer in car
what does it mean if there is a steeper slope?
it indicates a higher speed
velocity (with speed) equation
final position-initial position/time
