Speed Flashcards

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1
Q

What is speed?

A

Speed is a measure of how fast something is moving.

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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)

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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

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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

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