Asked by Mike Smith
What is the difference between acceleration, speed and velocity?
Answers
Answered by
Damon
acceleration and velocity are vectors. They have magnitude and direction.
In your car, speedometer gives speed but you need a speedometer AND a compass for velocity
acceleration is the rate of change of velocity. If you go in a circle at constant speed your velocity changes and you experience centripetal acceleration.
You did not ask yet but distance is a scalar and displacement is a vector with distance AND direction. If you go all the way around a circle your distance is 2 pi R but your displacement is ZERO
In your car, speedometer gives speed but you need a speedometer AND a compass for velocity
acceleration is the rate of change of velocity. If you go in a circle at constant speed your velocity changes and you experience centripetal acceleration.
You did not ask yet but distance is a scalar and displacement is a vector with distance AND direction. If you go all the way around a circle your distance is 2 pi R but your displacement is ZERO
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