velocity

Question 1

what measures velocity

Answer 1

speed (magnitude) and direction - m/s

Question 2

average velocity

Answer 2

calculated over a period of time, easier to measure, more descriptive

Question 3

instantaneous velocity

Answer 3

velocity at a certain point in time, needs calculus to calculate, usually start or end

Question 4

formula

Answer 4

v = s/t
v - velocity, s - distance moved, t - time it took

Question 5

uniform motion

Answer 5

simplest case of motion - constant velocity, average speed = instantaneous speed, in time-distance graphs -> line of best fit = straight line, examples; trains sometime after departure, airplane in cruising condition, skydiver falling at terminal velocity