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If talking about a particle rotating around an axis away from it by

Now what I know is that since we have

when i come to

this means that it is only for the changing of the magnitude of velocity, right? if yes then what is the linear acceleration that is resulted from the changing of vt direction?

*if the particle is moving with constant angular velocity ω. is the linear velocity constant or no?***r.**Now what I know is that since we have

**Vt= ωr**, so r doesn't change, as well as ω, so Vt is said to be constant. but I think it's not right to say that the linear velocity is constant since we have continuous changing in the direction of Vt, but I believe it's a*. so, does this mean that at (linear acceleration) is available even when the magnitude of the linear velocity is not changing only the direction does? (since any change in the direction means we have an acceleration)?*__constant linear speed__when i come to

**, if we have an at, then this means we have α which must be zero. so my way of thinking is wrong! right?***at=α t*this means that it is only for the changing of the magnitude of velocity, right? if yes then what is the linear acceleration that is resulted from the changing of vt direction?

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