Speed Flashcards
1
Q
What is speed?
A
Speed is a measure of how fast something is moving.
2
Q
What is the formula used to calculate the speed of an object? Give units
A
steady speed (m/s) = distance (m) / time(s)
3
Q
Practice Question: A cricket ball travels 140m in 3.1s. What is the average speed of the ball? Give units!
A
Average speed = distance moved/time taken
Average speed = 140/3.1 = 45.1m/s
4
Q
What is the difference between velocity and speed?
A
Velocity is how fast something moves and its direction
Speed is how fast something moves
