Velocity + Acceleration Flashcards
1
Q
what is velocity?
A
velocity is the distance travelled in unit time in a stated direction
2
Q
we say that ____ is a _____ quantity, and ____ is a ______ quantity. vectors have ____ and _____ direction.
A
speed, scalar, velocity, vector, size, direction
3
Q
what is acceleration?
A
how quickly velocity is changing
4
Q
what is the formula for acceleration?
A
change in velocity
___________________
time taken
(v-u) over a x t
5
Q
what are the units for speed?
A
m/s or km/h or m/h
6
Q
what are the units for acceleration?
A
m/s^2
7
Q
speed is
A
distance / time
