Unit 9B- Recall Questions - Motion Flashcards
Give the typical speeds for walking, running and cycling.
Walking ≈ 1 m/s Running ≈ 6 m/s Cycling ≈ 6 m/s
Give the typical speeds for wind and sound.
Wind ≈ 6 m/s Sound ≈ 330 m/s
What are the units for speed/velocity?
m/s (metres per second)
What are the units for distance?
m (metres)
What are the units for time?
s (seconds)
How many metres are there in a kilometre?
1000 m
What does the gradient of the line on a distance-time graph show?
Speed
What does it mean when the line on a distance-time graph is horizontal?
Object is stationary
What are the units for acceleration?
m/s2
What letter is used to represent final velocity?
v
What letter is used to represent initial velocity?
u
What does the gradient of the line on a velocity-time graph show?
Acceleration
What does the area under the line of best fit represent on a velocity-time graph?
Displacement
Name a piece of lab equipment that can accurately measure speed.
Light gates