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Physics 17 Online
OpenStudy (jh99):

Is there a definite way to identify the difference between displacement and velocity?

OpenStudy (shamim):

Do u know the unit of displacement

OpenStudy (shamim):

Do u know the unit of velocity

OpenStudy (shamim):

Unit of displacement is meter

OpenStudy (shamim):

Unit of velocity is m/s

OpenStudy (mrnood):

the key issue is not UNITS but DIMENSIONS Displacement and velocity are not hte same 'type' of thing because they have different dimensions. Displacement has dimensions 'Length' Velocity has dimensions 'Length/Time'

OpenStudy (mathmale):

If you push your pliable pet dog gently across the kitchen floor, you have displaced the dog. Motion and distance are involved. If you measure how fast you're pushing the dog, by dividing the distance by the elapsed time, you have calculated the velocity. Please ask further questions if this feedback is not sufficiently clear to you.

OpenStudy (jh99):

If velocity is direction and speed, why is the equation distance/time? I understand that direction can not have a value, but still. I'm not sure if I understand how the equation is derived.

OpenStudy (jh99):

Displacement also has direction and length. Velocity just has speed added to it ?

OpenStudy (shamim):

Speed=distance/time

OpenStudy (shamim):

Velocity=displacement/ time

OpenStudy (shamim):

Distance is a scalar quantity

OpenStudy (shamim):

So speed is a scalar quantity

OpenStudy (shamim):

Displacement is a vector quantity

OpenStudy (shamim):

So velocity is a vector quantity

OpenStudy (shamim):

Feel free to ask if the story is not clear to u

OpenStudy (agent0smith):

You shouldn't be confusing displacement and velocity (i could understand speed and velocity or distance and displacement) Displacement is the straight-line-as-the-crow-flies vector, from your initial position to final position. Velocity is that displacement, divided by the time it took.

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