Is speed, acceleration and velocity the same?
No, they are not. If you do not have a physics text that defines these things, a good place to start is here: http://www.physicsclassroom.com/Class/1DKin/U1L1a.html
Welcome to PF, Gatorgirl.
Just to jump-start it: speed is a scalar measurement, which is defined only by its magnitude; velocity is a vector measurement, which is defined by both magnitude and direction; acceleration is a change of velocity, so it applies if either the magnitude or the direction is altered.
In everyday terms, speed would be something like 100 km/h; velocity would be 100 km/h east; acceleration would be taking a corner or hitting the brakes or gas pedal (brakes would be a negative acceleration, but still an acceleration).
Thanks. The website is helpful in explaining it on a very basic level. My textbook is written by UF and it provides few examples.
Thank You :)
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