motion Flashcards
1
Q
what is distance?
A
how far an object has moved. scalar
2
Q
what is displacement??
A
the distance and direction an object has moved. vector
3
Q
what is speed?
A
how fast something is moving. scalar
4
Q
what is velocity?
A
how fast something is moving in a direction. vector
5
Q
what is the formula for speed?
A
speed m/s = distance m ÷ time seconds
6
Q
what is the typical speed for walking running cycling a car a train and a plane?
A
walking = 1.5 m/s
running = 3 m/s
cycling = 6 m/s
a car = 25 m/s
a train = 30 m/s
a plane = 250 m/s
7
Q
what does a distance time graph show?
A
the distance something travels over time.
8
Q
what does a velocity time graph show?
A
the velocity of something over time.
9
Q
what does the area under a velocity time graph show?
A
distance travelled.
