It's the first time for me to ask a question here.
Is there a difference between "Tangential Speed" and "Tangential Velocity"? As far as I know, Speed is scalar quantity defined only with its magnitude while Velocity is a vector defined with both magnitude and direction.
The direction of tangential velocity is always tangent to the circle so that it's always changed while its magnitude is constant (in case of uniform circular motion)
Velocity can be calculated through this relation in the circular path : v = displacement / time
while Speed can be calculated through this relation: v = 2 * pi * radius / time
This shows that the velocity in the circle isn't equal to speed
However, Tangential Velocity Formula is : v = 2 * pi * radius / T
I don't understand how Tangential Velocity is equal to speed although velocity through circle isn't equal to speed!
This really confuses me. Can someone clear this confusion and explain this?